import { strict as assert } from 'node:assert/strict'
import type { JWK } from 'wildebeest/backend/src/webpush/jwk'
import type { Env } from 'wildebeest/backend/src/types/env'
import * as v1_instance from 'wildebeest/functions/api/v1/instance'
import * as v2_instance from 'wildebeest/functions/api/v2/instance'
import * as apps from 'wildebeest/functions/api/v1/apps'
import * as custom_emojis from 'wildebeest/functions/api/v1/custom_emojis'
import * as mutes from 'wildebeest/functions/api/v1/mutes'
import * as blocks from 'wildebeest/functions/api/v1/blocks'
import { makeDB, assertCORS, assertJSON, assertCache, createTestClient } from './utils'
import { createPerson } from 'wildebeest/backend/src/activitypub/actors'
import { createSubscription } from '../src/mastodon/subscription'
import * as subscription from 'wildebeest/functions/api/v1/push/subscription'

const userKEK = 'test_kek'
const domain = 'cloudflare.com'

async function generateVAPIDKeys(): Promise<JWK> {
	const keyPair = (await crypto.subtle.generateKey({ name: 'ECDSA', namedCurve: 'P-256' }, true, [
		'sign',
		'verify',
	])) as CryptoKeyPair
	const jwk = (await crypto.subtle.exportKey('jwk', keyPair.privateKey)) as JWK
	return jwk
}

describe('Mastodon APIs', () => {
	describe('instance', () => {
		test('return the instance infos v1', async () => {
			const env = {
				INSTANCE_TITLE: 'a',
				ADMIN_EMAIL: 'b',
				INSTANCE_DESCR: 'c',
			} as Env

			const res = await v1_instance.handleRequest(domain, env)
			assert.equal(res.status, 200)
			assertCORS(res)
			assertJSON(res)

			{
				const data = await res.json<any>()
				assert.equal(data.rules.length, 0)
				assert.equal(data.uri, domain)
				assert.equal(data.title, 'a')
				assert.equal(data.email, 'b')
				assert.equal(data.description, 'c')
				assert(data.version.includes('Wildebeest'))
			}
		})

		test('adds a short_description if missing v1', async () => {
			const env = {
				INSTANCE_DESCR: 'c',
			} as Env

			const res = await v1_instance.handleRequest(domain, env)
			assert.equal(res.status, 200)

			{
				const data = await res.json<any>()
				assert.equal(data.short_description, 'c')
			}
		})

		test('return the instance infos v2', async () => {
			const db = await makeDB()

			const env = {
				INSTANCE_TITLE: 'a',
				ADMIN_EMAIL: 'b',
				INSTANCE_DESCR: 'c',
			} as Env
			const res = await v2_instance.handleRequest(domain, db, env)
			assert.equal(res.status, 200)
			assertCORS(res)
			assertJSON(res)

			{
				const data = await res.json<any>()
				assert.equal(data.rules.length, 0)
				assert.equal(data.domain, domain)
				assert.equal(data.title, 'a')
				assert.equal(data.contact.email, 'b')
				assert.equal(data.description, 'c')
				assert(data.version.includes('Wildebeest'))
			}
		})
	})

	describe('apps', () => {
		test('return the app infos', async () => {
			const db = await makeDB()
			const vapidKeys = await generateVAPIDKeys()
			const request = new Request('https://example.com', {
				method: 'POST',
				body: '{"redirect_uris":"mastodon://joinmastodon.org/oauth","website":"https://app.joinmastodon.org/ios","client_name":"Mastodon for iOS","scopes":"read write follow push"}',
				headers: {
					'content-type': 'application/json',
				},
			})

			const res = await apps.handleRequest(db, request, vapidKeys)
			assert.equal(res.status, 200)
			assertCORS(res)
			assertJSON(res)

			// eslint-disable-next-line @typescript-eslint/no-unused-vars
			const { name, website, redirect_uri, client_id, client_secret, vapid_key, ...rest } = await res.json<
				Record<string, string>
			>()

			assert.equal(name, 'Mastodon for iOS')
			assert.equal(website, 'https://app.joinmastodon.org/ios')
			assert.equal(redirect_uri, 'mastodon://joinmastodon.org/oauth')
			assert.deepEqual(rest, {})
		})

		test('returns 404 for GET request', async () => {
			const vapidKeys = await generateVAPIDKeys()
			const request = new Request('https://example.com')
			const ctx: any = {
				next: () => new Response(),
				data: null,
				env: {
					VAPID_JWK: JSON.stringify(vapidKeys),
				},
				request,
			}

			const res = await apps.onRequest(ctx)
			assert.equal(res.status, 400)
		})
	})

	describe('custom emojis', () => {
		test('returns an empty array', async () => {
			const res = await custom_emojis.onRequest()
			assert.equal(res.status, 200)
			assertJSON(res)
			assertCORS(res)
			assertCache(res, 300)

			const data = await res.json<any>()
			assert.equal(data.length, 0)
		})
	})

	describe('subscriptions', () => {
		test('get non existing subscription', async () => {
			const db = await makeDB()
			const req = new Request('https://example.com')
			const client = await createTestClient(db)
			const connectedActor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			const res = await subscription.handleGetRequest(db, req, connectedActor, client.id)
			assert.equal(res.status, 404)
		})

		test('get existing subscription', async () => {
			const db = await makeDB()
			const req = new Request('https://example.com')
			const client = await createTestClient(db)
			const connectedActor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			const data: any = {
				subscription: {
					endpoint: 'https://endpoint.com',
					keys: {
						p256dh: 'p256dh',
						auth: 'auth',
					},
				},
				data: {
					alerts: {},
					policy: 'all',
				},
			}
			await createSubscription(db, connectedActor, client, data)

			const res = await subscription.handleGetRequest(db, req, connectedActor, client.id)
			assert.equal(res.status, 200)

			const out = await res.json<any>()
			assert.equal(typeof out.id, 'number')
			assert.equal(out.endpoint, data.subscription.endpoint)
		})

		test('create subscription', async () => {
			const db = await makeDB()
			const client = await createTestClient(db)
			const connectedActor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
			const vapidKeys = await generateVAPIDKeys()

			const data: any = {
				subscription: {
					endpoint: 'https://endpoint.com',
					keys: {
						p256dh: 'p256dh',
						auth: 'auth',
					},
				},
				data: {
					alerts: {},
					policy: 'all',
				},
			}
			const req = new Request('https://example.com', {
				method: 'POST',
				body: JSON.stringify(data),
			})

			const res = await subscription.handlePostRequest(db, req, connectedActor, client.id, vapidKeys)
			assert.equal(res.status, 200)

			const row: any = await db.prepare('SELECT * FROM subscriptions').first()
			assert.equal(row.actor_id, connectedActor.id.toString())
			assert.equal(row.client_id, client.id)
			assert.equal(row.endpoint, data.subscription.endpoint)
		})

		test('create subscriptions only creates one', async () => {
			const db = await makeDB()
			const client = await createTestClient(db)
			const connectedActor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
			const vapidKeys = await generateVAPIDKeys()

			const data: any = {
				subscription: {
					endpoint: 'https://endpoint.com',
					keys: {
						p256dh: 'p256dh',
						auth: 'auth',
					},
				},
				data: {
					alerts: {},
					policy: 'all',
				},
			}
			await createSubscription(db, connectedActor, client, data)

			const req = new Request('https://example.com', {
				method: 'POST',
				body: JSON.stringify(data),
			})

			const res = await subscription.handlePostRequest(db, req, connectedActor, client.id, vapidKeys)
			assert.equal(res.status, 200)

			const { count } = await db.prepare('SELECT count(*) as count FROM subscriptions').first()
			assert.equal(count, 1)
		})
	})

	test('mutes returns an empty array', async () => {
		const res = await mutes.onRequest()
		assert.equal(res.status, 200)
		assertJSON(res)

		const data = await res.json<any>()
		assert.equal(data.length, 0)
	})

	test('blocks returns an empty array', async () => {
		const res = await blocks.onRequest()
		assert.equal(res.status, 200)
		assertJSON(res)

		const data = await res.json<any>()
		assert.equal(data.length, 0)
	})
})