import type { FastifyInstance, FastifyReply, FastifyRequest } from 'fastify'
import { env } from '../config/env'
import { constants } from '../config/constants'
import { type CS3Asset, type S3, uploadFile } from '../utils/s3'
import { S3Client } from '@aws-sdk/client-s3'
import { isModerator } from '../utils/privs'
import { PrismaClient } from '../../generated/prisma'
import { withAccelerate } from "@prisma/extension-accelerate"


const prisma = new PrismaClient().$extends(withAccelerate())



const s3Resource: S3 = {
  useSSL: true,
  port: 443,
  bucket: env.S3_BUCKET,
  region: env.S3_REGION,
  endPoint: env.S3_ENDPOINT,
  accessKey: env.S3_KEY_ID,
  pathStyle: env.S3_FORCE_PATH_STYLE,
  secretKey: env.S3_APPLICATION_KEY
}



export default async function vodsRoutes(
  fastify: FastifyInstance,
): Promise<void> {
  fastify.get('/vods', async function (request, reply) {
    const userId = request.session.get('userId');


    let user = null
    if (userId !== undefined) {
      user = await prisma.user.findUnique({
        where: { id: userId },
        include: { roles: true }
      })
    }


    const { cursor: cursorRaw, search = '' } = request.query as {
      cursor?: string;
      search?: string;
    };

    const cursor = cursorRaw ? parseInt(cursorRaw, 10) : undefined;

    if (cursorRaw && isNaN(cursor)) {
      return reply.status(400).send({ error: 'Invalid cursor value' });
    }

    const vods = await prisma.vod.findMany({
      where: {
        status: {
          in: ['approved', 'processed', 'processing'],
        },
      },
      orderBy: { createdAt: 'desc' },
      include: {
        vtubers: true,
        stream: true,
      },
    });

    return reply.viewAsync('vods.hbs', {
      user,
      vods,
      site: constants.site,
    }, { layout: 'layouts/main.hbs' });
  });



  fastify.get('/vods/:id', async function (request, reply) {
    const { id } = request.params as { id: string };

    const userId = request.session.get('userId')
    let user = await prisma.user.findFirst({
      where: {
        id: userId
      },
      include: {
        roles: true
      }
    })


    if (!id) {
      return reply.status(400).send({ error: 'Invalid VOD ID' });
    }

    const vod = await prisma.vod.findUnique({
      where: { id },
      include: {
        vtubers: true,
        stream: true,
      },
    });

    if (!vod) {
      return reply.status(404).send({ error: 'VOD not found' });
    }

    return reply.viewAsync('vod.hbs', {
      vod,
      site: constants.site,
      user,
    }, { layout: 'layouts/main.hbs' });
  });

  fastify.post('/vods/:id/process', async function (request, reply) {
    const { id: vodId } = request.params as { id: string };

    const userId = request.session.get('userId')
    let user = await prisma.user.findFirstOrThrow({
      where: {
        id: userId
      },
      include: {
        roles: true
      }
    })

    if (!isModerator(user)) {
      reply.status(401).send('This endpoint is for moderators only.');
    }

    fastify.graphileWorker.addJob('scheduleVodProcessing', { vodId })
    reply.flash

    const vod = await prisma.vod.findFirstOrThrow({
      where: {
        id: vodId
      },
      include: {
        stream: true
      }
    })

    return reply.viewAsync('vod.hbs', {
      vod,
      site: constants.site,
      user,
      message: 'Successfully scheduled vod processing.'
    }, { layout: 'layouts/main.hbs' });
  })



}