windmill/frontend/src/lib/components/InstanceSettings.svelte

<script lang="ts">
	import {
		scimSamlSetting,
		settings,
		settingsKeys,
		instanceSettingsSaved
	} from './instanceSettings'
	import { Alert, Button, Tab, TabContent, Tabs } from '$lib/components/common'
	import { SettingService, SettingsService } from '$lib/gen'
	import type { TeamsChannel } from '$lib/gen/types.gen'

	import { sendUserToast } from '$lib/toast'
	import { deepEqual } from 'fast-equals'

	import { sleep } from '$lib/utils'
	import { enterpriseLicense } from '$lib/stores'
	import { isCloudHosted } from '$lib/cloud'

	import { createEventDispatcher } from 'svelte'
	import { setLicense } from '$lib/enterpriseUtils'
	import AuthSettings from './AuthSettings.svelte'
	import oauthConnectRegistry from '$oauth_connect_registry'
	import InstanceSetting from './InstanceSetting.svelte'
	import { writable, type Writable } from 'svelte/store'
	import { ExternalLink, Loader2 } from 'lucide-svelte'
	import YAML from 'yaml'
	import Toggle from './Toggle.svelte'
	import SettingsFooter from './workspaceSettings/SettingsFooter.svelte'
	import SettingsPageHeader from './settings/SettingsPageHeader.svelte'
	import WorkspaceRegistries from './instanceSettings/WorkspaceRegistries.svelte'
	import DbHealth from './instanceSettings/DbHealth.svelte'
	import OidcSigningStatus from './instanceSettings/OidcSigningStatus.svelte'

	interface Props {
		tab?: string
		hideTabs?: boolean
		closeDrawer?: (() => void) | undefined
		authSubTab?: 'sso' | 'oauth' | 'scim'
		onNavigateToTab?: (category: string) => void
		quickSetup?: boolean
		yamlMode?: boolean
		hasUnsavedChanges?: boolean
		hasAnyInvalid?: boolean
	}

	let {
		tab = $bindable('Core'),
		hideTabs = false,
		closeDrawer = () => {},
		authSubTab = $bindable('sso'),
		onNavigateToTab,
		quickSetup = false,
		yamlMode = $bindable(false),
		hasUnsavedChanges = $bindable(false),
		hasAnyInvalid = $bindable(false)
	}: Props = $props()

	let values: Writable<Record<string, any>> = writable({})
	let initialOauths: Record<string, any> = $state({})
	let initialRequirePreexistingUserForOauth: boolean = $state(false)
	let requirePreexistingUserForOauth: boolean = $state(false)

	let initialValues: Record<string, any> = $state({})

	/// A setting its own component writes (it has to persist before acting on the cluster) is
	/// already saved, so the baseline must move with it: otherwise Discard restores the value it
	/// replaced, and a later bulk save sends that stale one back.
	function markSettingSaved(key: string) {
		initialValues[key] =
			$values[key] === undefined ? undefined : JSON.parse(JSON.stringify($values[key]))
	}
	let baseUrlIsFallback = $state(false)
	// Per-instance OAuth providers (Snowflake, ServiceNow, …): instance name
	// keyed by provider, used to build their per-instance connect_config URLs.
	let instanceInputs: Record<string, string> = $state({})
	let version: string = $state('')
	let loading = $state(true)

	export function getVersion(): string {
		return version
	}

	export function getLicenseKey(): string {
		return $values?.['license_key'] ?? ''
	}

	loadSettings()
	loadVersion()

	// When the user enables object storage for the first time, default
	// `monitor_logs_on_s3` to true so S3 log files get cleaned up with their
	// jobs. Backend still defaults to false for backwards compat with
	// operators who never touched the setting.
	$effect(() => {
		if ($values['object_store_cache_config'] && $values['monitor_logs_on_s3'] === undefined) {
			values.update((v) => ({ ...v, monitor_logs_on_s3: true }))
		}
	})

	const dispatch = createEventDispatcher()

	async function loadVersion() {
		version = await SettingsService.backendVersion()
	}
	let oauths: Record<string, any> = $state({})

	/** Ensure object/array-typed settings have a non-null default for the form UI */
	const formDefaults: Record<string, any> = {
		smtp_settings: {},
		otel: {},
		indexer_settings: {},
		critical_error_channels: [],
		github_enterprise_app: {},
		instance_banner: {}
	}

	function applyFormDefaults(vals: Record<string, any>): void {
		for (const [key, defaultVal] of Object.entries(formDefaults)) {
			if (vals[key] == undefined) {
				vals[key] =
					typeof defaultVal === 'object' ? JSON.parse(JSON.stringify(defaultVal)) : defaultVal
			}
		}
	}

	async function loadSettings() {
		loading = true

		// Bulk-load all settings in a single API call
		const config = await SettingService.getInstanceConfig()
		const gs = (config.global_settings ?? {}) as Record<string, any>

		initialOauths = gs['oauths'] ?? {}
		requirePreexistingUserForOauth = gs['require_preexisting_user_for_oauth'] ?? false
		initialRequirePreexistingUserForOauth = requirePreexistingUserForOauth
		oauths = JSON.parse(JSON.stringify(initialOauths))

		let nvalues: Record<string, any> = { ...gs }

		baseUrlIsFallback = !nvalues['base_url']
		if (nvalues['retention_period_secs'] == undefined) {
			nvalues['retention_period_secs'] = 60 * 60 * 24 * 30
		}
		applyFormDefaults(nvalues)

		// Apply declared defaults before snapshotting initialValues, so a default shows without
		// marking the form dirty: a select's mirrors InstanceSetting's $effect, a boolean's is
		// what its toggle shows while the key is unset.
		for (const category of settingsKeys) {
			for (const s of settings[category]) {
				if (
					(s.fieldType === 'select' ||
						s.fieldType === 'select_python' ||
						s.fieldType === 'boolean') &&
					nvalues[s.key] == undefined &&
					s.defaultValue
				) {
					nvalues[s.key] = s.defaultValue()
				}
			}
		}

		// Snapshot initialValues before applying the base_url fallback so that
		// the dirty-check detects the unsaved default and enables the Save button.
		initialValues = JSON.parse(JSON.stringify(nvalues))

		if (baseUrlIsFallback) {
			nvalues['base_url'] = window.location.origin
		}
		$values = nvalues
		loading = false

		// populate per-instance OAuth provider inputs (snowflake, servicenow, …) from db
		loadInstanceInputs(oauths)
	}

	export async function saveSettings() {
		if (yamlMode) {
			if (!syncYamlToForm()) {
				return
			}
		}

		setupTemplatedOauthUrls()

		// Remove empty or invalid entries for critical error channels
		$values.critical_error_channels = $values.critical_error_channels.filter((entry: any) => {
			if (!entry || typeof entry !== 'object') return false
			if ('teams_channel' in entry) {
				return isValidTeamsChannel(entry.teams_channel)
			}
			if ('slack_channel' in entry) {
				return typeof entry.slack_channel === 'string' && entry.slack_channel.trim() !== ''
			}
			if ('email' in entry) {
				return typeof entry.email === 'string' && entry.email.trim() !== ''
			}
			// Unknown shape
			return false
		})

		let shouldReloadPage = false
		let willRestart = false
		if ($values) {
			// Trim license key before saving
			if ($values['license_key'] && typeof $values['license_key'] === 'string') {
				$values['license_key'] = $values['license_key'].trim()
			}

			// Check which settings require a page reload or server restart
			const allSettings = [...Object.values(settings), scimSamlSetting].flat()
			let licenseKeySet = false
			for (const s of allSettings) {
				if (s.storage === 'setting' && !deepEqual(initialValues?.[s.key], $values?.[s.key])) {
					if (s.key === 'license_key') {
						licenseKeySet = true
					}
					if (s.requiresReloadOnChange) {
						shouldReloadPage = true
					}
					if (s.triggersRestart) {
						willRestart = true
					}
				}
			}

			// Build the full global_settings object for the bulk PUT
			const globalSettings: Record<string, any> = { ...$values }

			// Send explicit null for keys that were set on load but are now
			// missing/cleared, so the Merge-mode bulk endpoint deletes them
			// instead of silently preserving the old DB value. Covers both:
			//   - YAML mode: user removed a line / set it to null / set it to {}.
			//   - Form mode: user toggled a setting off (e.g.
			//     object_store_cache_config), making the value undefined.
			const isClearedValue = (v: any) => {
				if (v === undefined || v === null) return true
				if (typeof v === 'object') {
					return Array.isArray(v) ? v.length === 0 : Object.keys(v).length === 0
				}
				return false
			}
			for (const key of Object.keys(initialValues ?? {})) {
				if (excludedKeys.has(key)) continue
				if (key === 'oauths' || key === 'require_preexisting_user_for_oauth') continue
				if (!isClearedValue(globalSettings[key])) continue
				// Only flag for deletion if it was non-empty before — otherwise
				// every save would delete-then-recreate harmless `{}`/`[]` defaults.
				if (isClearedValue(initialValues[key])) continue
				globalSettings[key] = null
			}

			// Include oauths and require_preexisting_user_for_oauth
			if (!deepEqual(initialOauths, oauths)) {
				globalSettings['oauths'] = oauths
			}
			if (initialRequirePreexistingUserForOauth !== requirePreexistingUserForOauth) {
				globalSettings['require_preexisting_user_for_oauth'] = requirePreexistingUserForOauth
			}

			await SettingService.setInstanceConfig({
				requestBody: { global_settings: globalSettings }
			})

			initialValues = JSON.parse(JSON.stringify($values))
			initialOauths = JSON.parse(JSON.stringify(oauths))
			instanceSettingsSaved.update((n) => n + 1)
			initialRequirePreexistingUserForOauth = requirePreexistingUserForOauth
			baseUrlIsFallback = false

			if (yamlMode) {
				yamlCodeInitial = yamlCode
			}

			if (licenseKeySet) {
				setLicense()
			}
		} else {
			console.error('Values not loaded')
		}
		if (shouldReloadPage) {
			sendUserToast('Settings updated, reloading page...')
			await sleep(1000)
			window.location.reload()
		} else if (willRestart) {
			sendUserToast(
				'Settings updated. Servers are restarting and changes may take up to a minute to fully propagate.',
				false,
				[],
				undefined,
				8000
			)
			dispatch('saved')
		} else {
			sendUserToast('Settings updated')
			dispatch('saved')
		}
	}

	// Per-instance OAuth providers (Snowflake, ServiceNow, …) keyed by name ->
	// their registry connect_config_template. Adding a new one needs only a
	// registry entry — no code here.
	// Every per-instance templated provider is configurable here: authorization-code
	// ones (ServiceNow, Snowflake) provide an `auth_url`, client-credentials-only
	// ones (Coupa) provide only a `token_url`. Both need the admin to enter their
	// instance host so the shared credentials point at the right endpoint.
	const connectConfigTemplates: Record<string, any> = Object.fromEntries(
		Object.entries(oauthConnectRegistry)
			.filter(([, cfg]) => cfg && typeof cfg === 'object' && 'connect_config_template' in cfg)
			// ms_teams takes its tenant from the pinned Teams tile; the backend fills the URLs.
			.filter(([name]) => name !== 'ms_teams')
			.map(([name, cfg]) => [name, (cfg as any).connect_config_template])
	)

	function normalizeInstanceInput(tmpl: any, raw: string): string {
		let v = (raw ?? '').replace(/\s/g, '')
		if (tmpl.strip_suffix) {
			// accept a full host/URL or a bare name -> reduce to the bare instance
			v = v.replace(/^https?:\/\//, '').replace(/\/.*$/, '')
			if (v.endsWith(tmpl.strip_suffix)) {
				v = v.slice(0, -tmpl.strip_suffix.length)
			}
		}
		return v
	}

	// Build each per-instance provider's connect_config from the admin-entered
	// instance name + its registry template (substituting {instance} into the
	// URLs). Replaces the old per-provider setup functions.
	function setupTemplatedOauthUrls() {
		// The backend falls back to the pre-rename `teams` key when `ms_teams` is absent, so
		// turning the Teams tile off (ms_teams saved before, gone now) has to drop both.
		// TODO: remove with the backend fallback.
		if (oauths && initialOauths?.['ms_teams'] && !oauths['ms_teams'] && oauths['teams']) {
			delete oauths['teams']
		}
		for (const [name, tmpl] of Object.entries(connectConfigTemplates)) {
			if (!oauths?.[name]) continue
			const key = tmpl.extra_params_key ?? 'instance'
			const v = normalizeInstanceInput(tmpl, instanceInputs[name] ?? '')
			instanceInputs[name] = v
			if (oauths[name].connect_config?.extra_params?.[key] === v) continue
			oauths[name].connect_config = {
				scopes: tmpl.scopes ?? [],
				// CC-only templated providers have no auth_url; store an empty string
				// (not omitted) so the instance-config parser still types the entry.
				// The backend treats an empty auth_url as the unused placeholder for
				// the client-credentials grant.
				auth_url: tmpl.auth_url ? tmpl.auth_url.replaceAll('{instance}', v) : '',
				token_url: tmpl.token_url.replaceAll('{instance}', v),
				req_body_auth: tmpl.req_body_auth ?? false,
				extra_params: { [key]: v },
				extra_params_callback: {}
			}
		}
	}

	// Recover the instance-name inputs from a saved oauths config (for load/discard).
	function loadInstanceInputs(savedOauths: Record<string, any>) {
		for (const [name, tmpl] of Object.entries(connectConfigTemplates)) {
			const key = tmpl.extra_params_key ?? 'instance'
			instanceInputs[name] = savedOauths?.[name]?.connect_config?.extra_params?.[key] ?? ''
		}
	}

	let sendingStats = $state(false)
	async function sendStats() {
		try {
			sendingStats = true
			await SettingService.sendStats()
			sendUserToast('Usage sent')
		} catch (err) {
			throw err
		} finally {
			sendingStats = false
		}
	}

	let downloadingStats = $state(false)
	async function downloadStats() {
		try {
			downloadingStats = true
			const result = await SettingService.getStats()
			const blob = new Blob([result.data ?? ''], { type: 'application/json' })
			const url = URL.createObjectURL(blob)
			const a = document.createElement('a')
			a.href = url
			const date = new Date().toISOString().split('T')[0]
			a.download = `windmill-telemetry-${date}-${result.signature}.json`
			document.body.appendChild(a)
			a.click()
			document.body.removeChild(a)
			URL.revokeObjectURL(url)
			sendUserToast('Telemetry data downloaded')
		} catch (err) {
			throw err
		} finally {
			downloadingStats = false
		}
	}

	function isValidTeamsChannel(value: any): value is TeamsChannel {
		return (
			typeof value === 'object' &&
			value !== null &&
			typeof value.team_id === 'string' &&
			value.team_id.trim() !== '' &&
			typeof value.team_name === 'string' &&
			value.team_name.trim() !== '' &&
			typeof value.channel_id === 'string' &&
			value.channel_id.trim() !== '' &&
			typeof value.channel_name === 'string' &&
			value.channel_name.trim() !== ''
		)
	}

	function openSmtpSettings() {
		if (onNavigateToTab) {
			onNavigateToTab('SMTP')
		} else {
			tab = 'SMTP'
		}
	}

	// --- Dirty state tracking (YAML-based) ---

	function stripEmpty(obj: Record<string, any>): Record<string, any> {
		return Object.fromEntries(
			Object.entries(obj)
				.filter(([_, v]) => v !== undefined && v !== '')
				.map(([k, v]) =>
					v != null && typeof v === 'object' && !Array.isArray(v) ? [k, stripEmpty(v)] : [k, v]
				)
		)
	}

	function getSettingsForCategory(category: string) {
		if (category === 'Auth/OAuth/SAML') {
			return [...(settings[category] ?? []), ...scimSamlSetting]
		}
		const base = settings[category] ?? []
		// In quick setup, reorder Core: base settings (without license_key), then extras from Jobs
		if (quickSetup && category === 'Core') {
			const licenseKey = base.find((s) => s.key === 'license_key')
			const baseWithout = base.filter((s) => s.key !== 'license_key')
			const jobSettings = settings['Jobs'] ?? []
			const jobIsolation = jobSettings.find((s) => s.key === 'job_isolation')
			const retentionPeriod = jobSettings.find((s) => s.key === 'retention_period_secs')
			const objectStorage = settings['Object Storage']?.find(
				(s) => s.key === 'object_store_cache_config'
			)
			return [
				...baseWithout,
				...(jobIsolation ? [jobIsolation] : []),
				...(licenseKey ? [licenseKey] : []),
				...(retentionPeriod ? [retentionPeriod] : []),
				...(objectStorage ? [objectStorage] : [])
			]
		}
		return base
	}

	function normalizeValue(value: any, key?: string): any {
		if (value == null) return undefined
		if (value === false) return undefined
		if (typeof value === 'string' && value.trim() === '') return undefined
		if (Array.isArray(value) && value.length === 0) return undefined
		if (typeof value === 'object' && !Array.isArray(value)) {
			// Recursively normalize: if all values in the object normalize to undefined,
			// the object itself is effectively empty (e.g. {smtp_tls_implicit: false} ≡ {})
			const hasNonEmpty = Object.values(value).some((v) => normalizeValue(v) !== undefined)
			if (!hasNonEmpty) return undefined
		}

		// Key-specific defaults: these values are equivalent to "not set"
		if (key === 'secret_backend') {
			if (
				typeof value === 'object' &&
				value?.type === 'Database' &&
				Object.keys(value).length === 1
			) {
				return undefined
			}
		}
		if (key === 'automate_username_creation' && value === true) {
			return undefined
		}
		if (key === 'critical_alerts_on_db_oversize' && typeof value === 'object') {
			if (!value.enabled && (!value.value || value.value === 0)) {
				return undefined
			}
		}

		return value
	}
	function buildCategoryYaml(
		category: string,
		vals: Record<string, any>,
		oauthsObj: Record<string, any>,
		reqPreexisting: boolean
	): string {
		const categorySettings = getSettingsForCategory(category)
		const obj: Record<string, any> = {}
		for (const s of categorySettings) {
			const normalized = normalizeValue(vals[s.key], s.key)
			if (normalized !== undefined) {
				obj[s.key] = vals[s.key]
			}
		}
		if (category === 'Auth/OAuth/SAML') {
			if (Object.keys(stripEmpty(oauthsObj)).length > 0) {
				obj['oauths'] = oauthsObj
			}
			if (reqPreexisting) {
				obj['require_preexisting_user_for_oauth'] = reqPreexisting
			}
		}
		if (category === 'Registries') {
			obj['workspace_registries'] = vals['workspace_registries'] ?? null
		}
		return YAML.stringify(obj)
	}

	let dirtyCategories: Record<string, boolean> = $derived.by(() => {
		const result: Record<string, boolean> = {}
		for (const category of settingsKeys) {
			const initialYaml = buildCategoryYaml(
				category,
				initialValues,
				initialOauths,
				initialRequirePreexistingUserForOauth
			)
			const currentYaml = buildCategoryYaml(
				category,
				$values,
				oauths,
				requirePreexistingUserForOauth
			)
			result[category] = initialYaml !== currentYaml
		}
		return result
	})

	let invalidCategories: Record<string, boolean> = $derived.by(() => {
		const currentValues = $values
		const result: Record<string, boolean> = {}
		for (const category of settingsKeys) {
			const categorySettings = getSettingsForCategory(category)
			result[category] = categorySettings.some((s) => {
				// A field the build never renders must not be able to block Save: off-cloud its
				// value is unreachable, so an invalid one (from config sync, say) would leave the
				// category permanently unsaveable with nothing on screen to fix.
				if (s.cloudonly && !isCloudHosted()) return false
				if (s.isValid && !s.isValid(currentValues?.[s.key])) return true
				if (s.validate) {
					const errors = s.validate(currentValues?.[s.key])
					return Object.keys(errors).length > 0
				}
				return false
			})
		}
		return result
	})

	$effect(() => {
		hasAnyInvalid = Object.values(invalidCategories).some(Boolean)
	})

	export function isDirty(category: string): boolean {
		return dirtyCategories[category] ?? false
	}

	export function discardCategory(category: string) {
		const categorySettings = getSettingsForCategory(category)
		for (const s of categorySettings) {
			const v = initialValues[s.key]
			$values[s.key] = v !== undefined ? JSON.parse(JSON.stringify(v)) : undefined
		}
		if (category === 'Auth/OAuth/SAML') {
			oauths = JSON.parse(JSON.stringify(initialOauths))
			requirePreexistingUserForOauth = initialRequirePreexistingUserForOauth
			loadInstanceInputs(initialOauths)
		} else if (category === 'Registries') {
			const v = initialValues['workspace_registries']
			$values['workspace_registries'] = v !== undefined ? JSON.parse(JSON.stringify(v)) : undefined
		}
	}

	export function discardAll() {
		// Reset all values to initial state (deep copy to avoid reference sharing)
		$values = JSON.parse(JSON.stringify(initialValues))
		oauths = JSON.parse(JSON.stringify(initialOauths))
		requirePreexistingUserForOauth = initialRequirePreexistingUserForOauth
		loadInstanceInputs(initialOauths)
		if (yamlMode) {
			syncFormToYaml()
		}
	}

	export async function saveCategorySettings(category: string) {
		// Category-specific pre-processing
		if (category === 'Auth/OAuth/SAML') {
			setupTemplatedOauthUrls()
		}

		if (category === 'Alerts' && $values?.critical_error_channels) {
			$values.critical_error_channels = $values.critical_error_channels.filter((entry: any) => {
				if (!entry || typeof entry !== 'object') return false
				if ('teams_channel' in entry) return isValidTeamsChannel(entry.teams_channel)
				if ('slack_channel' in entry)
					return typeof entry.slack_channel === 'string' && entry.slack_channel.trim() !== ''
				if ('email' in entry) return typeof entry.email === 'string' && entry.email.trim() !== ''
				return false
			})
		}

		if (
			category === 'Core' &&
			$values?.['license_key'] &&
			typeof $values['license_key'] === 'string'
		) {
			$values['license_key'] = $values['license_key'].trim()
		}

		let shouldReloadPage = false
		let willRestart = false
		const categorySettings = getSettingsForCategory(category)

		let licenseKeySet = false
		await Promise.all(
			categorySettings
				.filter((x) => {
					return (
						x.storage === 'setting' &&
						!deepEqual(initialValues?.[x.key], $values?.[x.key]) &&
						($values?.[x.key] !== '' ||
							initialValues?.[x.key] !== undefined ||
							initialValues?.[x.key] !== null)
					)
				})
				.map(async (x) => {
					if (x.key === 'license_key') licenseKeySet = true
					if (x.requiresReloadOnChange) shouldReloadPage = true
					if (x.triggersRestart) willRestart = true
					let value = $values?.[x.key]
					if (x.fieldType === 'codearea' && typeof value === 'string' && value.trim() === '') {
						value = undefined
					}
					return await SettingService.setGlobal({
						key: x.key,
						requestBody: { value }
					})
				})
		)

		// Update only the saved category's initial values
		for (const s of categorySettings) {
			const v = $values[s.key]
			initialValues[s.key] = v !== undefined ? JSON.parse(JSON.stringify(v)) : undefined
		}
		instanceSettingsSaved.update((n) => n + 1)
		if (categorySettings.some((s) => s.key === 'base_url')) {
			baseUrlIsFallback = false
		}

		// Handle Auth/OAuth/SAML-specific saves
		if (category === 'Auth/OAuth/SAML') {
			if (!deepEqual(stripEmpty(initialOauths), stripEmpty(oauths))) {
				await SettingService.setGlobal({
					key: 'oauths',
					requestBody: { value: oauths }
				})
				initialOauths = JSON.parse(JSON.stringify(oauths))
			}
			if (initialRequirePreexistingUserForOauth !== requirePreexistingUserForOauth) {
				await SettingService.setGlobal({
					key: 'require_preexisting_user_for_oauth',
					requestBody: { value: requirePreexistingUserForOauth }
				})
				initialRequirePreexistingUserForOauth = requirePreexistingUserForOauth
			}
		}

		// Handle workspace_registries (saved separately like oauths)
		if (category === 'Registries') {
			if (!deepEqual(initialValues['workspace_registries'], $values['workspace_registries'])) {
				await SettingService.setGlobal({
					key: 'workspace_registries',
					requestBody: { value: $values['workspace_registries'] ?? null }
				})
				initialValues['workspace_registries'] = $values['workspace_registries']
					? JSON.parse(JSON.stringify($values['workspace_registries']))
					: undefined
			}
		}

		if (licenseKeySet) setLicense()

		if (shouldReloadPage) {
			sendUserToast('Settings updated, reloading page...')
			await sleep(1000)
			window.location.reload()
		} else if (willRestart) {
			sendUserToast(
				'Settings updated. Servers are restarting and changes may take up to a minute to fully propagate.',
				false,
				[],
				undefined,
				8000
			)
			dispatch('saved')
		} else {
			sendUserToast('Settings updated')
			dispatch('saved')
		}
	}

	let yamlCode = $state('')
	let yamlCodeInitial = $state('')
	let yamlEditor: any | undefined = $state(undefined)
	let yamlError = $state('')
	let showSensitive = $state(false)

	const SENSITIVE_UNCHANGED = '__SENSITIVE_AND_UNCHANGED__'

	const sensitiveKeys: Set<string> = new Set([
		...[...Object.values(settings), scimSamlSetting]
			.flatMap((s) => Object.values(s))
			.filter((s) => s.fieldType === 'password' || s.fieldType === 'license_key')
			.map((s) => s.key),
		'ducklake_user_pg_pwd',
		'jwt_secret',
		'workspace_registries'
	])

	// Settings that should never appear in YAML export/import.
	// `worker_configs` is a legacy ghost key: worker configs live in the `config`
	// table (managed from /workers), not in `global_settings`. Older DBs may
	// still carry a stale `global_settings.worker_configs` row; filter it here
	// so it never round-trips through this editor.
	const excludedKeys: Set<string> = new Set(['worker_configs'])

	// Nested fields inside object-valued settings that contain secrets.
	// Each entry maps a top-level key to its sensitive sub-field names.
	const nestedSensitiveFields: Record<string, string[]> = {
		smtp_settings: ['smtp_password'],
		secret_backend: ['token', 'client_secret', 'secret_access_key'],
		object_store_cache_config: ['secret_key', 'serviceAccountKey', 'accessKey'],
		custom_instance_pg_databases: ['user_pwd'],
		external_instance_pg: ['password'],
		rsa_keys: ['private_key'],
		github_enterprise_app: ['private_key']
	}

	/** Returns SENSITIVE_UNCHANGED if the value is non-empty and matches the initial */
	function maskField(current: any, initial: any): string | undefined {
		if (current != null && current !== '' && current === initial) return SENSITIVE_UNCHANGED
		return undefined
	}

	function maskSensitive(obj: Record<string, any>): Record<string, any> {
		const masked: Record<string, any> = {}
		for (const [key, value] of Object.entries(obj)) {
			if (key === 'oauths' && typeof value === 'object' && value !== null) {
				const maskedOauths: Record<string, any> = {}
				for (const [provider, config] of Object.entries(value as Record<string, any>)) {
					if (typeof config === 'object' && config !== null && 'secret' in config) {
						const m = maskField(config.secret, initialOauths?.[provider]?.secret)
						maskedOauths[provider] = m ? { ...config, secret: m } : config
					} else {
						maskedOauths[provider] = config
					}
				}
				masked[key] = maskedOauths
			} else if (key in nestedSensitiveFields && typeof value === 'object' && value !== null) {
				const cp = { ...value }
				const init = initialValues?.[key]
				for (const field of nestedSensitiveFields[key]) {
					const m = maskField(
						field === 'serviceAccountKey' ? JSON.stringify(cp[field]) : cp[field],
						field === 'serviceAccountKey' ? JSON.stringify(init?.[field]) : init?.[field]
					)
					if (m) cp[field] = m
				}
				masked[key] = cp
			} else if (sensitiveKeys.has(key) && value != null && value !== '') {
				masked[key] = value === initialValues?.[key] ? SENSITIVE_UNCHANGED : value
			} else {
				masked[key] = value
			}
		}
		return masked
	}

	/**
	 * Builds a sorted YAML string of all instance settings.
	 * - normalize: strip keys whose values match the default (empty/falsy or key-specific defaults)
	 * - mask: replace sensitive values with placeholder (for display)
	 */
	function buildSettingsYaml(
		vals: Record<string, any>,
		oauthsObj: Record<string, any>,
		reqPreexisting: boolean,
		opts: { normalize?: boolean; mask?: boolean } = {}
	): string {
		// Merge all settings (including oauths) into one object so they sort together
		const merged: Record<string, any> = { ...vals }
		if (oauthsObj && Object.keys(stripEmpty(oauthsObj)).length > 0) {
			merged['oauths'] = oauthsObj
		}
		if (reqPreexisting) {
			merged['require_preexisting_user_for_oauth'] = reqPreexisting
		}
		const obj: Record<string, any> = {}
		for (const key of Object.keys(merged).sort()) {
			if (excludedKeys.has(key)) continue
			if (opts.normalize && normalizeValue(merged[key], key) === undefined) continue
			obj[key] = merged[key]
		}
		// Strip runtime-only `databases` sub-field from custom_instance_pg_databases
		if (obj['custom_instance_pg_databases']?.databases) {
			obj['custom_instance_pg_databases'] = { ...obj['custom_instance_pg_databases'] }
			delete obj['custom_instance_pg_databases'].databases
		}
		return YAML.stringify(opts.mask ? maskSensitive(obj) : obj)
	}

	function syncFormToYaml() {
		yamlCode = buildSettingsYaml($values, oauths, requirePreexistingUserForOauth, {
			normalize: true,
			mask: !showSensitive
		})
		yamlCodeInitial = buildSettingsYaml(
			initialValues,
			initialOauths,
			initialRequirePreexistingUserForOauth,
			{ normalize: true, mask: !showSensitive }
		)
		yamlEditor?.setCode(yamlCode)
		yamlError = ''
	}

	function syncYamlToForm(): boolean {
		try {
			// Flush the editor's current content (bypasses the 200ms debounce in SimpleEditor)
			const currentCode = yamlEditor?.getCode() ?? yamlCode
			if (currentCode !== yamlCode) {
				yamlCode = currentCode
			}
			const parsed = YAML.parse(yamlCode)
			if (typeof parsed !== 'object' || parsed === null) {
				sendUserToast('YAML must be a mapping (key: value)', true)
				return false
			}

			// Restore sensitive values that were not changed (placeholder → original value)
			if ('oauths' in parsed && typeof parsed['oauths'] === 'object') {
				for (const [provider, config] of Object.entries(parsed['oauths'] as Record<string, any>)) {
					if (
						typeof config === 'object' &&
						config !== null &&
						config.secret === SENSITIVE_UNCHANGED
					) {
						config.secret = initialOauths?.[provider]?.secret
					}
				}
				oauths = parsed['oauths'] ?? {}
				delete parsed['oauths']
			}
			if ('require_preexisting_user_for_oauth' in parsed) {
				requirePreexistingUserForOauth = parsed['require_preexisting_user_for_oauth'] ?? false
				delete parsed['require_preexisting_user_for_oauth']
			}

			// Restore unchanged sensitive settings (placeholder → original value)
			for (const key of sensitiveKeys) {
				if (key in parsed && parsed[key] === SENSITIVE_UNCHANGED) {
					parsed[key] = initialValues?.[key]
				}
			}
			// Restore nested sensitive fields
			for (const [parentKey, fields] of Object.entries(nestedSensitiveFields)) {
				if (parsed[parentKey] && typeof parsed[parentKey] === 'object') {
					const init = initialValues?.[parentKey]
					for (const field of fields) {
						if (parsed[parentKey][field] === SENSITIVE_UNCHANGED) {
							parsed[parentKey][field] = init?.[field]
						}
					}
				}
			}

			// Preserve excluded keys from current form state
			for (const key of excludedKeys) {
				if (key in $values) {
					parsed[key] = $values[key]
				}
			}

			// Preserve runtime-only `databases` sub-field in custom_instance_pg_databases
			const existingDatabases = initialValues?.['custom_instance_pg_databases']?.databases
			if (existingDatabases && parsed['custom_instance_pg_databases']) {
				parsed['custom_instance_pg_databases'].databases = existingDatabases
			}

			$values = parsed
			applyFormDefaults($values)

			yamlError = ''
			return true
		} catch (e) {
			yamlError = String(e)
			sendUserToast('Invalid YAML: ' + e, true)
			return false
		}
	}

	let prevYamlMode = false
	let prevLoading = true
	$effect(() => {
		if (yamlMode && !prevYamlMode) {
			syncFormToYaml()
		} else if (!yamlMode && prevYamlMode) {
			if (!syncYamlToForm()) {
				// Reset toggle back to YAML on parse failure
				yamlMode = true
			}
		} else if (yamlMode && prevLoading && !loading) {
			// Settings just finished loading while in YAML mode
			syncFormToYaml()
		}
		prevYamlMode = yamlMode
		prevLoading = loading
	})

	function handleShowSensitiveToggle(checked: boolean) {
		// Sync any in-progress edits back to form state before re-rendering
		syncYamlToForm()
		showSensitive = checked
		syncFormToYaml()
	}

	/** Call before entering diff mode to sync YAML edits into form state */
	export function syncBeforeDiff(): boolean {
		if (yamlMode) {
			return syncYamlToForm()
		}
		return true
	}

	export function buildFullDiff(): { original: string; modified: string } {
		return {
			original: buildSettingsYaml(
				initialValues,
				initialOauths,
				initialRequirePreexistingUserForOauth,
				{ normalize: true }
			),
			modified: buildSettingsYaml($values, oauths, requirePreexistingUserForOauth, {
				normalize: true
			})
		}
	}

	$effect(() => {
		if (yamlMode) {
			// In YAML mode, compare editor content against snapshot taken on entry
			hasUnsavedChanges = yamlCodeInitial !== '' && yamlCode !== yamlCodeInitial
		} else {
			// Reuse per-category dirty tracking instead of rebuilding full YAML
			hasUnsavedChanges = Object.values(dirtyCategories).some(Boolean)
		}
	})
</script>

<div class="pb-12">
	{#if yamlMode}
		<div class="flex flex-row justify-between">
			<p class="text-2xs text-tertiary">
				Use this YAML to manage instance settings as code.
				<a
					href="https://www.windmill.dev/docs/advanced/instance_settings#kubernetes-operator"
					target="_blank"
					rel="noopener noreferrer">Learn more <ExternalLink size={12} class="inline-block" /></a
				>
			</p>
			<!-- svelte-ignore a11y_label_has_associated_control -->
			<div class="flex items-center justify-end gap-4 mb-2">
				<Toggle
					checked={showSensitive}
					on:change={(e) => handleShowSensitiveToggle(e.detail)}
					options={{ right: 'Show sensitive values' }}
					size="xs"
				/>
			</div>
		</div>
		<div class="border rounded w-full h-[calc(100vh-12rem)]">
			{#await import('$lib/components/SimpleEditor.svelte')}
				<Loader2 class="animate-spin" />
			{:then Module}
				<Module.default
					bind:this={yamlEditor}
					class="h-full"
					lang="yaml"
					bind:code={yamlCode}
					fixedOverflowWidgets={false}
				/>
			{/await}
		</div>
		{#if yamlError}
			<div class="text-red-500 text-xs mt-1">{yamlError}</div>
		{/if}
	{:else if hideTabs}
		{@render categoryContent(tab)}
	{:else}
		<Tabs bind:selected={tab}>
			{#each settingsKeys as category}
				<Tab value={category} label={category}></Tab>
			{/each}

			{#snippet content()}
				<div class="pt-4"></div>
				{#each Object.keys(settings) as category}
					<TabContent value={category}>
						{@render categoryContent(category)}
					</TabContent>
				{/each}
			{/snippet}
		</Tabs>
	{/if}

	{#snippet categoryContent(category: string)}
		{#if category == 'Core'}
			<SettingsPageHeader
				title="Core"
				description="Configure the core settings of your Windmill instance."
				link="https://www.windmill.dev/docs/advanced/instance_settings"
			/>
		{:else if category == 'SMTP'}
			<SettingsPageHeader
				title="SMTP"
				description="Setting SMTP unlocks sending emails upon adding new users to the workspace or the instance or sending critical alerts via email."
				link="https://www.windmill.dev/docs/advanced/instance_settings#smtp"
			/>
		{:else if category == 'Registries'}
			<SettingsPageHeader
				title="Registries"
				description="Add private registries for Pip, Bun and npm."
				link="https://www.windmill.dev/docs/advanced/imports"
			/>
			{#if !$enterpriseLicense}
				<Alert type="info" title="Private registries configuration is an EE feature" class="mb-2" />
			{/if}
		{:else if category == 'Alerts'}
			<SettingsPageHeader
				title="Alerts"
				description="Critical alerts automatically notify administrators about system events like job crashes, license issues, worker failures, and queue delays through email, Slack, or Teams."
				link="https://www.windmill.dev/docs/core_concepts/critical_alerts"
			/>
		{:else if category == 'OTEL/Prom'}
			<SettingsPageHeader
				title="OTEL/Prometheus"
				description="Configure OpenTelemetry and Prometheus metrics export for monitoring your Windmill instance."
				link="https://www.windmill.dev/docs/misc/guides/otel"
			/>
		{:else if category == 'Indexer'}
			<SettingsPageHeader
				title="Indexer"
				description="The indexer service unlocks full text search across jobs and service logs. It requires spinning up its own separate container."
				link="https://www.windmill.dev/docs/core_concepts/search_bar#setup"
			/>
			{#if !$enterpriseLicense}
				<Alert
					type="info"
					title="Full text search across jobs and service logs is an EE feature"
					class="mb-2"
				/>
			{/if}
		{:else if category == 'Telemetry'}
			<SettingsPageHeader title="Telemetry" />
			{#if $enterpriseLicense}
				<div class="text-primary pb-4 text-xs">
					Telemetry is required on Enterprise Edition for license compliance. When minimal telemetry
					is enabled, only the following data is sent:
					<ul class="list-disc list-inside pl-2">
						<li>Instance version and base URL</li>
						<li>Login types, user and seat counts</li>
						<li>Worker count, vCPUs and memory</li>
						<li>Superadmin email addresses</li>
						<li>Development instance status</li>
					</ul>
					<br />When minimal telemetry is disabled, the following is also collected:
					<ul class="list-disc list-inside pl-2">
						<li>Job counts and durations per language</li>
						<li>Git sync repository counts</li>
						<li>Feature usage and adoption counts, including AI model and public Hub names</li>
						<li>Counts of workspaces, scripts, flows and apps</li>
						<li>Database, runtime and object storage details</li>
					</ul>
					<br />For air-gapped instances, you can download the telemetry data and send it manually.
				</div>
				<div class="flex gap-2 mb-4">
					<Button
						on:click={sendStats}
						variant="default"
						btnClasses="w-auto"
						loading={sendingStats}
						size="xs"
					>
						Send usage
					</Button>
					<Button
						on:click={downloadStats}
						variant="default"
						btnClasses="w-auto"
						loading={downloadingStats}
						size="xs"
					>
						Download usage
					</Button>
				</div>
			{:else}
				<div class="text-primary pb-4 text-xs">
					Anonymous usage data is collected to help improve Windmill.
					<br />The following information is collected:
					<ul class="list-disc list-inside pl-2">
						<li>Instance version and base URL</li>
						<li>Job counts and durations per language</li>
						<li>Login types, user and seat counts</li>
						<li>Worker count, vCPUs and memory</li>
						<li>Development instance status</li>
						<li>Feature usage and adoption counts, including AI model and public Hub names</li>
						<li>Counts of workspaces, scripts, flows and apps</li>
					</ul>
				</div>
			{/if}
		{:else if category == 'Jobs'}
			<SettingsPageHeader
				title="Jobs"
				description="Configure default timeouts and retention policies for job execution."
				link="https://www.windmill.dev/docs/advanced/instance_settings#jobs"
			/>
		{:else if category == 'Service logs'}
			<SettingsPageHeader
				title="Service logs"
				description="The logs of the Windmill processes themselves — servers, workers and the indexer. Job logs are covered by the job retention period under Jobs."
			/>
			{#if !$values['object_store_cache_config']}
				<div class="pb-4">
					<Alert type="info" title="Log files stay on local disk" size="xs">
						Instance object storage is not configured, so every server and worker keeps its log
						files on its own disk. This page lists what each host wrote, but can only open the files
						belonging to the replica serving the request — another host's are listed and not
						readable — and a host's files go with it when it is replaced. Retention below still
						governs the entries in the database and the files on disk.
					</Alert>
				</div>
			{:else if !$enterpriseLicense}
				<div class="pb-4">
					<Alert type="info" title="Raw log files accumulate without the indexer" size="xs">
						Log files are uploaded to instance object storage, and the indexer that would ingest
						them into the columnar store and delete each one afterwards is an enterprise feature.
						Retention below expires the database entries and the local files; the uploaded copies
						are only removed when <b>Delete logs from s3 periodically</b> is on under Object Storage.
					</Alert>
				</div>
			{/if}
		{:else if category == 'Object Storage'}
			<SettingsPageHeader
				title="Object Storage"
				description="Configure S3-compatible storage for large logs and distributed dependency caching."
				link="https://www.windmill.dev/docs/core_concepts/object_storage_in_windmill"
			/>
		{:else if category == 'Private Hub'}
			<SettingsPageHeader
				title="Private Hub"
				description="Connect to a Private Hub instance for sharing custom scripts and integrations."
				link="https://www.windmill.dev/docs/core_concepts/private_hub"
			/>
		{:else if category == 'Secret Storage'}
			<SettingsPageHeader
				title="Secret Storage"
				description="Configure where secrets (secret variables) are stored."
				link="https://www.windmill.dev/docs/core_concepts/workspace_secret_encryption"
			/>
		{:else if category == 'GitHub App'}
			<SettingsPageHeader
				title="GitHub App"
				description="Configure a self-managed GitHub App for git sync on GitHub.com, GHE Cloud or GitHub Enterprise Server."
				link="https://www.windmill.dev/docs/integrations/git_repository#self-managed-github-app"
			/>
		{:else if category == 'DB Health'}
			<SettingsPageHeader
				title="DB Health"
				description="On-demand database diagnostics. Analyze table sizes, job retention, connection pool health, vacuum status, and more."
			/>
			<DbHealth />
		{:else if category == 'OIDC signing'}
			<SettingsPageHeader
				title="OIDC signing"
				description="What signs the OIDC tokens Windmill issues, and the keys its JWKS serves to verifiers. Read-only: signing is configured with environment variables."
				link="https://www.windmill.dev/docs/core_concepts/oidc#signing-key"
			/>
			{#if $enterpriseLicense}
				<OidcSigningStatus />
			{/if}
		{:else if category == 'Agent workers'}
			<SettingsPageHeader
				title="Agent workers"
				description="Optional. Agent workers authenticate with the agent token (AGENT_TOKEN) you create on the Workers page with New agent worker, which needs nothing set here. Add an issuer only to also accept workload identity tokens."
				link="https://www.windmill.dev/docs/core_concepts/agent_workers"
			/>
		{:else if category == 'Auth/OAuth/SAML'}
			<AuthSettings
				bind:oauths
				bind:instanceInputs
				bind:requirePreexistingUserForOauth
				baseUrl={$values?.base_url}
				bind:tab={authSubTab}
				{hideTabs}
			>
				{#snippet scim()}
					<div class="flex-col flex gap-6 pb-4">
						{#each scimSamlSetting as setting}
							<InstanceSetting
								on:closeDrawer={() => closeDrawer?.()}
								{loading}
								{setting}
								{values}
								{markSettingSaved}
								{version}
								{oauths}
							/>
						{/each}
					</div>
				{/snippet}
			</AuthSettings>
		{/if}

		<div class="flex-col flex gap-6 pb-6">
			{#each settings[category] as setting}
				<!-- slack connect is handled with the alert channels settings, smtp_connect is handled in InstanceSetting -->
				{#if setting.fieldType != 'slack_connect' && !(quickSetup && setting.hideInQuickSetup) && !(quickSetup && category === 'Core' && setting.key === 'license_key')}
					<InstanceSetting
						{openSmtpSettings}
						on:closeDrawer={() => closeDrawer?.()}
						{loading}
						{setting}
						{values}
						{markSettingSaved}
						{version}
						{oauths}
						warning={setting.key === 'base_url' && baseUrlIsFallback
							? 'Auto-detected from browser — not yet saved'
							: setting.key === 'nuget_config' &&
								  $values['nuget_config'] &&
								  !/<clear\s*\/>/.test($values['nuget_config'])
								? 'Missing <clear /> in <packageSources>. Without it, default sources (like nuget.org) are merged with your custom sources, which is likely not what you want.'
								: undefined}
					/>
				{/if}
				{#if quickSetup && category === 'Core' && setting.key === 'base_url'}
					{@const licenseKeySetting = settings['Core'].find((s) => s.key === 'license_key')}
					{#if licenseKeySetting}
						<InstanceSetting
							{markSettingSaved}
							{openSmtpSettings}
							on:closeDrawer={() => closeDrawer?.()}
							{loading}
							setting={licenseKeySetting}
							{values}
							{version}
							{oauths}
						/>
					{/if}
				{/if}
			{/each}
			{#if quickSetup && category === 'Core'}
				{@const extraSettings = [
					...settings['Jobs'].filter((s) => s.key === 'job_isolation'),
					...settings['Jobs'].filter((s) => s.key === 'retention_period_secs'),
					...(settings['Object Storage']?.filter((s) => s.key === 'object_store_cache_config') ??
						[])
				]}
				{#each extraSettings as setting}
					<InstanceSetting
						{openSmtpSettings}
						on:closeDrawer={() => closeDrawer?.()}
						{loading}
						{setting}
						{values}
						{markSettingSaved}
						{version}
						{oauths}
					/>
				{/each}
			{/if}
		</div>

		{#if category === 'Registries'}
			<WorkspaceRegistries {values} {loading} />
		{/if}

		{#if !loading && !quickSetup && !hideTabs}
			<SettingsFooter
				hasUnsavedChanges={dirtyCategories[category] ?? false}
				disabled={invalidCategories[category] ?? false}
				onSave={() => saveCategorySettings(category)}
				onDiscard={() => discardCategory(category)}
				saveLabel={`Save ${category.toLowerCase()} settings`}
				class="bg-surface"
			/>
		{/if}
	{/snippet}
</div>