import { test, expect, Page, Locator } from '@playwright/test'
import { runDbManagerAlterTableTest, runDbManagerSimpleCRUDTest } from './DbManagerPage'
import { DbType } from '../src/lib/components/dbTypes'
import { Dropdown, Toast, prettify } from './utils'

const resourceByDbType = {
	postgresql: getJsonEnv('POSTGRESQL_RESOURCE') ?? {
		host: 'postgres_e2e',
		port: 5432,
		dbname: 'test_db',
		user: 'test_user',
		password: 'postgres_password',
		sslmode: 'disable'
	},
	mysql: getJsonEnv('MYSQL_RESOURCE') ?? {
		host: 'mysql_e2e',
		port: 3306,
		user: 'test_user',
		database: 'test_db',
		password: 'test_password',
		ssl: false
	},
	oracledb: getJsonEnv('ORACLEDB_RESOURCE') ?? {
		user: 'test_user',
		password: 'test_password',
		database: 'oracle_e2e:1521/test_db'
	},
	ms_sql_server: getJsonEnv('MS_SQL_SERVER_RESOURCE') ?? {
		host: 'mssql_e2e',
		user: 'sa',
		password: 'MsSql_Pass123!',
		port: 1433,
		dbname: 'master',
		instance_name: '',
		trust_cert: true,
		ca_cert: '',
		encrypt: true
	},
	bigquery: getJsonEnv('BIGQUERY_RESOURCE'),
	snowflake: getJsonEnv('SNOWFLAKE_RESOURCE')
} as const

test.describe('Database resources', () => {
	for (const dbType of ['postgresql', 'mysql', 'bigquery', 'ms_sql_server', 'snowflake'] as const) {
		test.describe(prettify(dbType), () => {
			test.skip(
				resourceByDbType[dbType] === undefined,
				`No resource config for ${dbType}, set ${dbType.toUpperCase()}_RESOURCE`
			)
			test(`simple CRUD with DB Manager`, async ({ page }) => {
				await setupNewResourceAndOpenDbManager(page, dbType)
				await runDbManagerSimpleCRUDTest(page, dbType)
			})
			test(`Alter table with DB Manager`, async ({ page }) => {
				await setupNewResourceAndOpenDbManager(page, dbType)
				await runDbManagerAlterTableTest(page, dbType)
			})
		})
	}
})

test.describe('Data tables', () => {
	test('simple CRUD with DB Manager', async ({ page }) => {
		await openDataTableDbManager(page)
		await runDbManagerSimpleCRUDTest(page, 'postgresql')
	})
	test('Alter table with DB Manager', async ({ page }) => {
		await openDataTableDbManager(page)
		await runDbManagerAlterTableTest(page, 'postgresql')
	})
})

test.describe('Ducklake', () => {
	// Avoid race condition when saving settings.
	// Be careful when adding new tests here.
	// TODO : find a way to run these tests in parallel (setup for all storage resources ?)
	test.describe.configure({ mode: 'serial' })

	test('simple CRUD with DB Manager', async ({ page }) => {
		await openDucklakeDbManager(page, 's3')
		await runDbManagerSimpleCRUDTest(page, 'ducklake')
	})
	test('Alter table with DB Manager', async ({ page }) => {
		await openDucklakeDbManager(page, 's3')
		await runDbManagerAlterTableTest(page, 'ducklake')
	})
})

async function openDucklakeDbManager(page: Page, resource_type: StorageResourceType) {
	let { storage } = await setupWsStorage(page, resource_type)
	await page.goto('/workspace_settings?tab=windmill_lfs')
	const timestamp = Date.now()
	await page.locator('button:has-text("New Ducklake")').click()
	let lastRow = page.locator('.ducklake-settings-table').locator('tr').nth(-2)
	await lastRow.locator('input.ducklake-name').fill(`ducklake_${timestamp}`)
	await lastRow.locator('.ducklake-workspace-storage-select').click()
	await Dropdown.getOption(page, storage, { exact: false }).click()
	await lastRow.locator('input.ducklake-storage-data-path').fill(`ducklake_${timestamp}`)
	await setupCustomInstanceDb(lastRow, page, storage)
	await page.locator('button:has-text("Save ducklake settings")').click()
	if (await page.locator('text=Some databases are not setup').isVisible()) {
		await page.locator('button:has-text("Save anyway")').click()
	}
	await Toast.expectSuccess(page, 'Ducklake settings saved successfully')
	await lastRow.locator('button:has-text("Manage")').click()
}

async function openDataTableDbManager(page: Page) {
	await page.goto('/workspace_settings?tab=windmill_data_tables')
	await setupNewDataTable(page, `datatable_${process.env.TEST_UNIQUE_ID}`)
	const datatableId = `datatable_${process.env.TEST_UNIQUE_ID}`
	let table = page.locator('table')
	await table.waitFor({ state: 'visible' })
	let rows = await table.locator('tr:has(input[id="name"])').all()
	for (const row of rows) {
		const val = await row.locator('input[id="name"]').inputValue()
		if (val === datatableId) {
			await row.locator('button:has-text("Manage")').click()
			return
		}
	}
	throw new Error(`Could not find datatable row ${datatableId}`)
}

declare const process: any // ignore TS errors

async function setupNewDataTable(page: Page, datatableId: string) {
	// Check if datatable already exists
	let table = page.locator('table')
	await table.waitFor({ state: 'visible' })
	let rows = await table.locator('tr:has(input[id="name"])').all()
	for (const row of rows) {
		const val = await row.locator('input[id="name"]').inputValue()
		// Don't setup again if it already exists (saving the settings creates race condition)
		if (val === datatableId) return
	}

	// Click on 'New Data Table' button
	const newDataTableButton = page.locator('button:has-text("New Data Table")')
	await newDataTableButton.click()

	// Find the second-to-last row in the table (last row contains the button)
	const lastRow = table.locator('tr').nth(-2)

	// Fill the name input with generated ID
	const nameInput = lastRow.locator('input[id="name"]')
	await nameInput.fill(datatableId)

	// Verify database type is 'Instance'
	const databaseTypeSelect = lastRow.locator('input[id="database-type-select"]')
	await expect(databaseTypeSelect).toHaveValue('Instance')

	await setupCustomInstanceDb(lastRow, page, datatableId)

	const saveBtn = page.locator('button:has-text("Save")')
	await saveBtn.click()

	if (await page.locator('text=Some databases are not setup').isVisible()) {
		await page.locator('button:has-text("Save anyway")').click()
	}

	// Verify success toast appears
	await Toast.expectSuccess(page, 'saved successfully')

	return { datatableId }
}

async function setupCustomInstanceDb(row: Locator, page: Page, name: string) {
	// Click on custom instance DB select and add new database
	const customInstanceDbSelect = row.locator('input[id="custom-instance-db-select"]')
	await customInstanceDbSelect.waitFor({ state: 'visible' })
	await customInstanceDbSelect.click()
	await customInstanceDbSelect.fill(name)

	// Check if the database already exists in the dropdown

	if (await Dropdown.getOption(page, name).isVisible()) {
		await Dropdown.getOption(page, name).click()
		return
	}

	// Click on the "Add new:" button
	const addNewButton = page.locator(`button:has-text("Add new: ")`)
	await addNewButton.waitFor({ state: 'visible' })
	await addNewButton.click()

	// Click on Setup button
	const setupButton = row.locator('button:has-text("Setup")')
	await setupButton.waitFor({ state: 'visible' })
	await setupButton.click()

	// Wait for popover to appear and click run setup button
	const runSetupButton = page.locator('button[id="run-custom-instance-db-setup-button"]')
	await runSetupButton.waitFor({ state: 'visible' })
	await runSetupButton.click()

	const confirmBtn = page.locator('button:has-text("Setup database")')
	await confirmBtn.waitFor({ state: 'visible' })
	await confirmBtn.click()

	// Verify success toast appears
	await Toast.expectSuccess(page, 'Setup successful')

	const closeModalBtn = page.locator('button[id="modal-close-button"]')
	await closeModalBtn.click()
}

function getJsonEnv(name: string): object | undefined {
	const env = process.env[name]
	if (env) return JSON.parse(env)
}

const wsStorageResources = {
	s3: {
		bucket: 'test-bucket',
		region: 'us-east-1',
		useSSL: false,
		endPoint: 'minio-e2e:9000',
		accessKey: 'minioadmin',
		pathStyle: true,
		secretKey: 'minioadmin'
	}
}

const storageResourceTypeDropdownLabels = {
	s3: 'S3',
	azure_blob: 'Azure Blob',
	s3_aws_oidc: 'AWS OIDC',
	azure_workload_identity: 'Azure Workload Identity',
	gcloud_storage: 'Google Cloud Storage'
}
type StorageResourceType = keyof typeof wsStorageResources

async function setupWsStorage(
	page: Page,
	resource_type: StorageResourceType
): Promise<{ storage: string }> {
	let { resourceName } = await setupNewResource(
		page,
		resource_type,
		wsStorageResources[resource_type]
	)
	let storage = `${resource_type}_storage_e2e`

	await page.goto('/workspace_settings?tab=windmill_lfs')
	await page.locator('.storage-settings-table').waitFor({ state: 'visible' })

	let rows = await page
		.locator('.storage-settings-table tr:has(input.secondary-storage-name-input)')
		.all()
	for (const row of rows) {
		const val = await row.locator('input.secondary-storage-name-input').inputValue()
		if (val === storage) return { storage }
	}

	// Click on the Add Storage button
	await page.locator('button:has-text("Add secondary storage")').click()
	let lastRow = page.locator('.storage-settings-table tr').nth(-2)

	// Fill the name input with generated ID
	const nameInput = lastRow.locator('input.secondary-storage-name-input')
	await nameInput.fill(storage)

	// Select resource type
	await lastRow.locator('#storage-resource-type-select').click()
	const dropdownResourceTypeLabel =
		storageResourceTypeDropdownLabels[resource_type] ?? resource_type

	await Dropdown.getOption(page, dropdownResourceTypeLabel).click()

	// Select resource
	await lastRow.locator('#resource-picker-select').click()
	await Dropdown.getOption(page, resourceName, { exact: false }).click()

	await page.locator('button:has-text("Save storage settings")').click()
	await Toast.expectSuccess(page, 'storage settings changed')
	return { storage }
}

async function setupNewResource(
	page: Page,
	resourceType: string,
	resourceObj: object
): Promise<{ resourceName: string }> {
	const resourceName = `${resourceType}_e2e`

	await page.goto('/resources')

	await page.locator('table').waitFor({ state: 'visible' })
	if (await page.locator(`table tr:has-text("${resourceName}")`).isVisible())
		return { resourceName }

	const newDataTableButton = page.locator('button:text-is("Add resource")')
	await newDataTableButton.click()

	const addResourceDrawer = page.locator('#add-resource-drawer')
	await expect(addResourceDrawer).toBeVisible()

	const searchInput = addResourceDrawer.locator('input#search-resource-type')
	await searchInput.fill(resourceType)

	const resourceTypeBtn = addResourceDrawer.locator(`button:has(:text-is("${resourceType}"))`)
	await resourceTypeBtn.waitFor({ state: 'visible' })
	await resourceTypeBtn.click()

	const asJsonToggle = addResourceDrawer.locator('label.as-json-toggle')
	await expect(asJsonToggle).toBeVisible()
	await asJsonToggle.check()

	await addResourceDrawer.locator('input#path').fill(resourceName)

	const jsonEditor = page.locator('.simple-editor .view-lines')
	await expect(jsonEditor).toBeVisible()
	await jsonEditor.click({ clickCount: 4 }) // Select all existing text
	console.log('Pasting resource config:', resourceObj)
	await page.evaluate((c) => navigator.clipboard.writeText(c), JSON.stringify(resourceObj))
	await page.keyboard.press('ControlOrMeta+V')

	const saveButton = addResourceDrawer.locator('button:has-text("Save")')
	await saveButton.click()

	await Toast.expectSuccess(page, 'Saved resource')

	return { resourceName }
}

async function setupNewResourceAndOpenDbManager(page: Page, dbType: DbType) {
	let { resourceName } = await setupNewResource(page, dbType, resourceByDbType[dbType])

	const resourceRow = page.locator(`table tr:has-text("${resourceName}")`)
	await expect(resourceRow).toBeVisible()

	const manageButton = resourceRow.locator('button:has-text("Manage")')
	await manageButton.click()
}