import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger'

import { AppModule } from './app.module'
import { Logger } from '@nestjs/common'
import { NestFactory } from '@nestjs/core'
import { clerkMiddleware } from '@clerk/express'
import graphqlUploadExpress from 'graphql-upload/graphqlUploadExpress.js'
import path from 'node:path'
import { readFileSync } from 'node:fs'
import { json } from 'express'

async function bootstrap() {
  const app = await NestFactory.create(AppModule, {})
  // load private key and public key
  const privateKey = readFileSync(path.join(__dirname, 'KeyStore', 'private_key.pem'), 'utf8')
  const publicKey = readFileSync(path.join(__dirname, 'KeyStore', 'public_key.pem'), 'utf8')
  // set private key and public key to env
  process.env.JWT_RS256_PRIVATE_KEY = privateKey
  process.env.JWT_RS256_PUBLIC_KEY = publicKey

  Logger.log(`Private key: ${privateKey.slice(0, 10).replace(/\n/g, '')}...`, 'Bootstrap')
  Logger.log(`Public key: ${publicKey.slice(0, 10).replace(/\n/g, '')}...`, 'Bootstrap')

  const corsOrigin = (process.env.CORS_ORIGIN ?? '').split(',') // split by comma to array
  app.enableCors({
    origin: corsOrigin,
    methods: ['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'OPTIONS'],
    allowedHeaders: ['Content-Type', '*', 'x-apollo-operation-name', 'x-session-id'],
    credentials: true,
  })

  // set base path for api
  app.setGlobalPrefix(process.env.API_PATH ?? '/v1')

  const config = new DocumentBuilder()
    .setTitle('EPESS API')
    .setDescription('API documentation for EPESS application')
    .setVersion('0.0.1')
    .addBearerAuth()
    .build()

  const document = SwaggerModule.createDocument(app, config)
  SwaggerModule.setup(process.env.SWAGGER_PATH ?? 'v1', app, document)

  document.paths[process.env.API_PATH + '/graphql'] = {
    get: {
      tags: ['GraphQL'],
      summary: 'GraphQL Playground',
      description: 'Access the GraphQL Playground to interact with the GraphQL API.',
      responses: {
        '200': {
          description: 'GraphQL Playground',
        },
      },
    },
  }

  try {
    // body parser
    app.use(json({ limit: '50mb' }))

    // clerk middleware

    app.use(clerkMiddleware({}))

    // graphql upload
    app.use(
      graphqlUploadExpress({
        maxFileSize: 1024 * 1024 * 1024, // 1 GB
        maxFiles: 10,
      }),
    )
    // biome-ignore lint/suspicious/noExplicitAny: <explanation>
  } catch (error: any) {
    Logger.error(`Error in file upload middleware: ${error.message}`, 'Bootstrap')
    // Optionally, you can handle the error further or rethrow it
  }

  const host = process.env.LISTEN_HOST ?? '0.0.0.0'
  const port = process.env.LISTEN_PORT ?? 3000 // Default to 3000 if LISTEN_PORT is not set
  await app.listen(port, host, () => {
    Logger.log(`Server is running on http://${host}:${port}`, 'Bootstrap')
  })
}
// IIFE
;(async () => {
  await bootstrap()
})()