import { json, type RequestEvent } from '@sveltejs/kit';
import prisma from '$lib/prisma';

import { tokenIsAvailable } from '$lib/utils';

/** @type {import('./$types').RequestHandler} */

export async function GET(request : RequestEvent) {
  const token = request.cookies.get('hf_access_token')
  let IS_ADMIN = !!token

  if (token) {
    const user = await tokenIsAvailable(token)
    if (user) {
      IS_ADMIN = process?.env?.SECRET_HF_ADMIN ? process?.env?.SECRET_HF_ADMIN.includes(user.sub) : false
    }
  }

  const page = parseInt(request.url.searchParams.get('page') || '0')
  const filter = request.url.searchParams.get('filter') || 'hotest'
  const search = request.url.searchParams.get('search') || ''
  const limit = parseInt(request.url.searchParams.get('limit') || '20')

  const orderBy: Record<string, string> = {}
  if (filter === 'hotest') {
    orderBy['likes7d'] = 'desc'
  } else if (filter === 'likes') {
    orderBy['likes'] = 'desc'
  } else {
    orderBy['createdAt'] = 'desc'
  }

  const only_not_public = filter === 'staff_only';

  const cards = await prisma.model.findMany({
    where: {
      ...(
        !IS_ADMIN ? { isPublic: true } : only_not_public ? { isPublic: false } : {}
      ),
      OR: [
        { id: { contains: search } },
      ]
    },
    orderBy: orderBy,
    skip: page * limit,
    take: limit,
  })

  const total_reposId = await prisma.model.count({
    where: {
      ...(IS_ADMIN ? {} : { isPublic: true }),
      OR: [
        { id: { contains: search } },
      ]
    },
  })

  return json({
    cards,
    total_items: total_reposId
  })
}

export async function PATCH({ request } : RequestEvent) {
  const headers = Object.fromEntries(request.headers.entries());

  if (headers["x-hf-token"] !== process.env.SECRET_HF_TOKEN) {
    return Response.json({
      message: "Wrong castle fam :^)"
    }, { status: 401 });
  }

  const hf_request = await fetch(`https://huggingface.co/api/models?limit=10000&filter=lora%2Cdiffusers&sort=likes7d`)
  const hf_models = await hf_request.json();

  let total_updates = 0;

  for (const model of hf_models) {
    await prisma.model.update({
      where: {
        id: model.id
      },
      data: {
        likes: model.likes,
        downloads: model.downloads,
        likes7d: model.likes7d,
      }
    })
    .then(() => {
      total_updates++
    })
    .catch(() => {})
  }

  return json({
    message: `Updated ${total_updates} models`
  })
}