import { strict as assert } from 'node:assert/strict'
import { insertReply } from 'wildebeest/backend/src/mastodon/reply'
import { getMentions } from 'wildebeest/backend/src/mastodon/status'
import { addObjectInOutbox } from 'wildebeest/backend/src/activitypub/actors/outbox'
import { createPublicNote } from 'wildebeest/backend/src/activitypub/objects/note'
import { createImage } from 'wildebeest/backend/src/activitypub/objects/image'
import * as statuses from 'wildebeest/functions/api/v1/statuses'
import * as statuses_get from 'wildebeest/functions/api/v1/statuses/[id]'
import * as statuses_favourite from 'wildebeest/functions/api/v1/statuses/[id]/favourite'
import * as statuses_reblog from 'wildebeest/functions/api/v1/statuses/[id]/reblog'
import * as statuses_context from 'wildebeest/functions/api/v1/statuses/[id]/context'
import { createPerson } from 'wildebeest/backend/src/activitypub/actors'
import { insertLike } from 'wildebeest/backend/src/mastodon/like'
import { insertReblog } from 'wildebeest/backend/src/mastodon/reblog'
import { isUrlValid, makeDB, assertJSON, streamToArrayBuffer, makeQueue } from '../utils'
import * as activities from 'wildebeest/backend/src/activitypub/activities'
import { addFollowing, acceptFollowing } from 'wildebeest/backend/src/mastodon/follow'
import { MessageType } from 'wildebeest/backend/src/types/queue'

const userKEK = 'test_kek4'
const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms))
const domain = 'cloudflare.com'
const kv_cache: any = {
	async put() {},
}

describe('Mastodon APIs', () => {
	describe('statuses', () => {
		test('create new status missing params', async () => {
			const db = await makeDB()
			const queue = makeQueue()

			const body = { status: 'my status' }
			const req = new Request('https://example.com', {
				method: 'POST',
				headers: { 'content-type': 'application/json' },
				body: JSON.stringify(body),
			})

			const connectedActor: any = {}
			const res = await statuses.handleRequest(req, db, connectedActor, userKEK, queue, kv_cache)
			assert.equal(res.status, 400)
		})

		test('create new status creates Note', async () => {
			const db = await makeDB()
			const queue = makeQueue()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			const body = {
				status: 'my status <script>evil</script>',
				visibility: 'public',
			}
			const req = new Request('https://example.com', {
				method: 'POST',
				headers: { 'content-type': 'application/json' },
				body: JSON.stringify(body),
			})

			const connectedActor = actor
			const res = await statuses.handleRequest(req, db, connectedActor, userKEK, queue, kv_cache)
			assert.equal(res.status, 200)
			assertJSON(res)

			const data = await res.json<any>()
			assert(data.uri.includes('example.com'))
			assert(data.uri.includes(data.id))
			// Required fields from https://github.com/mastodon/mastodon-android/blob/master/mastodon/src/main/java/org/joinmastodon/android/model/Status.java
			assert(data.created_at !== undefined)
			assert(data.account !== undefined)
			assert(data.visibility !== undefined)
			assert(data.spoiler_text !== undefined)
			assert(data.media_attachments !== undefined)
			assert(data.mentions !== undefined)
			assert(data.tags !== undefined)
			assert(data.emojis !== undefined)
			assert(!isUrlValid(data.id))

			const row = await db
				.prepare(
					`
          SELECT
              json_extract(properties, '$.content') as content,
              original_actor_id,
              original_object_id
          FROM objects
        `
				)
				.first()
			assert.equal(row.content, 'my status <p>evil</p>') // note the sanitization
			assert.equal(row.original_actor_id.toString(), actor.id.toString())
			assert.equal(row.original_object_id, null)
		})

		test('create new status regenerates the timeline and contains post', async () => {
			const db = await makeDB()
			const queue = makeQueue()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			let cache = null
			const kv_cache: any = {
				async put(key: string, value: any) {
					assert.equal(key, actor.id + '/timeline/home')
					cache = value
				},
			}

			const body = {
				status: 'my status',
				visibility: 'public',
			}
			const req = new Request('https://example.com', {
				method: 'POST',
				headers: { 'content-type': 'application/json' },
				body: JSON.stringify(body),
			})

			const res = await statuses.handleRequest(req, db, actor, userKEK, queue, kv_cache)
			assert.equal(res.status, 200)
			assertJSON(res)

			const data = await res.json<any>()

			assert(cache)
			const timeline = JSON.parse(cache)
			assert.equal(timeline.length, 1)
			assert.equal(timeline[0].id, data.id)
		})

		test("create new status adds to Actor's outbox", async () => {
			const db = await makeDB()
			const queue = makeQueue()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			const body = {
				status: 'my status',
				visibility: 'public',
			}
			const req = new Request('https://example.com', {
				method: 'POST',
				headers: { 'content-type': 'application/json' },
				body: JSON.stringify(body),
			})

			const connectedActor = actor
			const res = await statuses.handleRequest(req, db, connectedActor, userKEK, queue, kv_cache)
			assert.equal(res.status, 200)

			const row = await db.prepare(`SELECT count(*) as count FROM outbox_objects`).first()
			assert.equal(row.count, 1)
		})

		test('create new status delivers to followers via Queue', async () => {
			const queue = makeQueue()
			const db = await makeDB()

			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
			const followerA = await createPerson(domain, db, userKEK, 'followerA@cloudflare.com')
			const followerB = await createPerson(domain, db, userKEK, 'followerB@cloudflare.com')

			await addFollowing(db, followerA, actor, 'not needed')
			await sleep(10)
			await addFollowing(db, followerB, actor, 'not needed')
			await acceptFollowing(db, followerA, actor)
			await acceptFollowing(db, followerB, actor)

			const body = { status: 'my status', visibility: 'public' }
			const req = new Request('https://example.com', {
				method: 'POST',
				headers: { 'content-type': 'application/json' },
				body: JSON.stringify(body),
			})

			const res = await statuses.handleRequest(req, db, actor, userKEK, queue, kv_cache)
			assert.equal(res.status, 200)

			assert.equal(queue.messages.length, 2)

			assert.equal(queue.messages[0].type, MessageType.Deliver)
			assert.equal(queue.messages[0].userKEK, userKEK)
			assert.equal(queue.messages[0].actorId, actor.id.toString())
			assert.equal(queue.messages[0].toActorId, followerA.id.toString())

			assert.equal(queue.messages[1].type, MessageType.Deliver)
			assert.equal(queue.messages[1].userKEK, userKEK)
			assert.equal(queue.messages[1].actorId, actor.id.toString())
			assert.equal(queue.messages[1].toActorId, followerB.id.toString())
		})

		test('create new status with mention delivers ActivityPub Note', async () => {
			let deliveredNote: any = null

			globalThis.fetch = async (input: RequestInfo, data: any) => {
				if (input.toString() === 'https://remote.com/.well-known/webfinger?resource=acct%3Asven%40remote.com') {
					return new Response(
						JSON.stringify({
							links: [
								{
									rel: 'self',
									type: 'application/activity+json',
									href: 'https://social.com/users/sven',
								},
							],
						})
					)
				}

				if (input.toString() === 'https://social.com/users/sven') {
					return new Response(
						JSON.stringify({
							id: 'https://social.com/users/sven',
							inbox: 'https://social.com/sven/inbox',
						})
					)
				}

				if (input === 'https://social.com/sven/inbox') {
					assert.equal(data.method, 'POST')
					const body = JSON.parse(data.body)
					deliveredNote = body
					return new Response()
				}

				// @ts-ignore: shut up
				if (Object.keys(input).includes('url') && input.url === 'https://social.com/sven/inbox') {
					const request = input as Request
					assert.equal(request.method, 'POST')
					const bodyB = await streamToArrayBuffer(request.body as ReadableStream)
					const dec = new TextDecoder()
					const body = JSON.parse(dec.decode(bodyB))
					deliveredNote = body
					return new Response()
				}

				throw new Error('unexpected request to ' + input)
			}

			const db = await makeDB()
			const queue = makeQueue()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			const body = {
				status: '@sven@remote.com my status',
				visibility: 'public',
			}
			const req = new Request('https://example.com', {
				method: 'POST',
				headers: { 'content-type': 'application/json' },
				body: JSON.stringify(body),
			})

			const connectedActor = actor
			const res = await statuses.handleRequest(req, db, connectedActor, userKEK, queue, kv_cache)
			assert.equal(res.status, 200)

			assert(deliveredNote)
			assert.equal(deliveredNote.type, 'Create')
			assert.equal(deliveredNote.actor, `https://${domain}/ap/users/sven`)
			assert.equal(deliveredNote.object.attributedTo, `https://${domain}/ap/users/sven`)
			assert.equal(deliveredNote.object.type, 'Note')
			assert(deliveredNote.object.to.includes(activities.PUBLIC_GROUP))
			assert.equal(deliveredNote.object.cc.length, 1)
		})

		test('create new status with image', async () => {
			const db = await makeDB()
			const queue = makeQueue()
			const connectedActor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			const properties = { url: 'https://example.com/image.jpg' }
			const image = await createImage(domain, db, connectedActor, properties)

			const body = {
				status: 'my status',
				media_ids: [image.mastodonId],
				visibility: 'public',
			}
			const req = new Request('https://example.com', {
				method: 'POST',
				headers: { 'content-type': 'application/json' },
				body: JSON.stringify(body),
			})

			const res = await statuses.handleRequest(req, db, connectedActor, userKEK, queue, kv_cache)
			assert.equal(res.status, 200)

			const data = await res.json<any>()

			assert(!isUrlValid(data.id))
		})

		test('favourite status sends Like activity', async () => {
			let deliveredActivity: any = null

			const db = await makeDB()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
			const originalObjectId = 'https://example.com/note123'

			await db
				.prepare(
					'INSERT INTO objects (id, type, properties, original_actor_id, original_object_id, local, mastodon_id) VALUES (?, ?, ?, ?, ?, 1, ?)'
				)
				.bind(
					'https://example.com/object1',
					'Note',
					JSON.stringify({ content: 'my first status' }),
					actor.id.toString(),
					originalObjectId,
					'mastodonid1'
				)
				.run()

			globalThis.fetch = async (input: any) => {
				if (input.url === actor.id.toString() + '/inbox') {
					assert.equal(input.method, 'POST')
					const body = await input.json()
					deliveredActivity = body
					return new Response()
				}

				throw new Error('unexpected request to ' + JSON.stringify(input))
			}

			const connectedActor: any = actor

			const res = await statuses_favourite.handleRequest(db, 'mastodonid1', connectedActor, userKEK)
			assert.equal(res.status, 200)

			assert(deliveredActivity)
			assert.equal(deliveredActivity.type, 'Like')
			assert.equal(deliveredActivity.object, originalObjectId)
		})

		test('favourite records in db', async () => {
			const db = await makeDB()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
			const note = await createPublicNote(domain, db, 'my first status', actor)

			const connectedActor: any = actor

			const res = await statuses_favourite.handleRequest(db, note.mastodonId!, connectedActor, userKEK)
			assert.equal(res.status, 200)

			const data = await res.json<any>()
			assert.equal(data.favourited, true)

			const row = await db.prepare(`SELECT * FROM actor_favourites`).first()
			assert.equal(row.actor_id, actor.id.toString())
			assert.equal(row.object_id, note.id.toString())
		})

		test('get mentions from status', () => {
			{
				const mentions = getMentions('test status')
				assert.equal(mentions.length, 0)
			}

			{
				const mentions = getMentions('@sven@instance.horse test status')
				assert.equal(mentions.length, 1)
				assert.equal(mentions[0].localPart, 'sven')
				assert.equal(mentions[0].domain, 'instance.horse')
			}

			{
				const mentions = getMentions('@sven test status')
				assert.equal(mentions.length, 1)
				assert.equal(mentions[0].localPart, 'sven')
				assert.equal(mentions[0].domain, null)
			}

			{
				const mentions = getMentions('@sven @james @pete')
				assert.deepEqual(mentions, [
					{ localPart: 'sven', domain: null },
					{ localPart: 'james', domain: null },
					{ localPart: 'pete', domain: null },
				])
			}

			{
				const mentions = getMentions('<p>@sven</p>')
				assert.deepEqual(mentions, [{ localPart: 'sven', domain: null }])
			}
		})

		test('get status count likes', async () => {
			const db = await makeDB()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
			const actor2 = await createPerson(domain, db, userKEK, 'sven2@cloudflare.com')
			const actor3 = await createPerson(domain, db, userKEK, 'sven3@cloudflare.com')
			const note = await createPublicNote(domain, db, 'my first status', actor)

			await insertLike(db, actor2, note)
			await insertLike(db, actor3, note)

			const res = await statuses_get.handleRequest(db, note.mastodonId!)
			assert.equal(res.status, 200)

			const data = await res.json<any>()
			// FIXME: temporarly disable favourites counts
			assert.equal(data.favourites_count, 0)
		})

		test('get status with image', async () => {
			const db = await makeDB()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			const properties = { url: 'https://example.com/image.jpg' }
			const mediaAttachments = [await createImage(domain, db, actor, properties)]
			const note = await createPublicNote(domain, db, 'my first status', actor, mediaAttachments)

			const res = await statuses_get.handleRequest(db, note.mastodonId!)
			assert.equal(res.status, 200)

			const data = await res.json<any>()
			assert.equal(data.media_attachments.length, 1)
			assert.equal(data.media_attachments[0].url, properties.url)
			assert.equal(data.media_attachments[0].preview_url, properties.url)
			assert.equal(data.media_attachments[0].type, 'image')
		})

		test('status context shows descendants', async () => {
			const db = await makeDB()
			const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')

			const note = await createPublicNote(domain, db, 'a post', actor)
			await addObjectInOutbox(db, actor, note)
			await sleep(10)

			const inReplyTo = note.id
			const reply = await createPublicNote(domain, db, 'a reply', actor, [], { inReplyTo })
			await addObjectInOutbox(db, actor, reply)
			await sleep(10)

			await insertReply(db, actor, reply, note)

			const res = await statuses_context.handleRequest(domain, db, note.mastodonId!)
			assert.equal(res.status, 200)

			const data = await res.json<any>()
			assert.equal(data.ancestors.length, 0)
			assert.equal(data.descendants.length, 1)
			assert.equal(data.descendants[0].content, 'a reply')
		})

		describe('reblog', () => {
			test('get status count reblogs', async () => {
				const db = await makeDB()
				const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
				const actor2 = await createPerson(domain, db, userKEK, 'sven2@cloudflare.com')
				const actor3 = await createPerson(domain, db, userKEK, 'sven3@cloudflare.com')
				const note = await createPublicNote(domain, db, 'my first status', actor)

				await insertReblog(db, actor2, note)
				await insertReblog(db, actor3, note)

				const res = await statuses_get.handleRequest(db, note.mastodonId!)
				assert.equal(res.status, 200)

				const data = await res.json<any>()
				// FIXME: temporarly disable reblogs counts
				assert.equal(data.reblogs_count, 0)
			})

			test('reblog records in db', async () => {
				const db = await makeDB()
				const queue = makeQueue()
				const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
				const note = await createPublicNote(domain, db, 'my first status', actor)

				const connectedActor: any = actor

				const res = await statuses_reblog.handleRequest(db, note.mastodonId!, connectedActor, userKEK, queue)
				assert.equal(res.status, 200)

				const data = await res.json<any>()
				assert.equal(data.reblogged, true)

				const row = await db.prepare(`SELECT * FROM actor_reblogs`).first()
				assert.equal(row.actor_id, actor.id.toString())
				assert.equal(row.object_id, note.id.toString())
			})

			test('reblog status adds in actor outbox', async () => {
				const db = await makeDB()
				const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
				const queue = makeQueue()

				const note = await createPublicNote(domain, db, 'my first status', actor)

				const connectedActor: any = actor

				const res = await statuses_reblog.handleRequest(db, note.mastodonId!, connectedActor, userKEK, queue)
				assert.equal(res.status, 200)

				const row = await db.prepare(`SELECT * FROM outbox_objects`).first()
				assert.equal(row.actor_id, actor.id.toString())
				assert.equal(row.object_id, note.id.toString())
			})

			test('reblog remote status status sends Announce activity to author', async () => {
				let deliveredActivity: any = null

				const db = await makeDB()
				const queue = makeQueue()
				const actor = await createPerson(domain, db, userKEK, 'sven@cloudflare.com')
				const originalObjectId = 'https://example.com/note123'

				await db
					.prepare(
						'INSERT INTO objects (id, type, properties, original_actor_id, original_object_id, mastodon_id, local) VALUES (?, ?, ?, ?, ?, ?, 0)'
					)
					.bind(
						'https://example.com/object1',
						'Note',
						JSON.stringify({ content: 'my first status' }),
						actor.id.toString(),
						originalObjectId,
						'mastodonid1'
					)
					.run()

				globalThis.fetch = async (input: any) => {
					if (input.url === 'https://cloudflare.com/ap/users/sven/inbox') {
						assert.equal(input.method, 'POST')
						const body = await input.json()
						deliveredActivity = body
						return new Response()
					}

					throw new Error('unexpected request to ' + JSON.stringify(input))
				}

				const connectedActor: any = actor

				const res = await statuses_reblog.handleRequest(db, 'mastodonid1', connectedActor, userKEK, queue)
				assert.equal(res.status, 200)

				assert(deliveredActivity)
				assert.equal(deliveredActivity.type, 'Announce')
				assert.equal(deliveredActivity.actor, actor.id.toString())
				assert.equal(deliveredActivity.object, originalObjectId)
			})
		})
	})
})