import { session, net } from "electron"
import { inject, injectable } from "inversify"
import IOC from "main/_ioc"
import BaseClass from "main/base/base"

@injectable()
class Api extends BaseClass {
  constructor(@inject(IOC) private _IOC: IOC) {
    super()
    this.interceptHandler = this.interceptHandler.bind(this)
  }

  destroy() {
    // TODO
  }
  init(partition?: string) {
    // const ses = partition ? session.fromPartition(partition) : session.defaultSession
    const ses = partition ? session.fromPartition(partition) : session.defaultSession
    ses.protocol.handle("api", this.interceptHandler)
  }
  async interceptHandler(request: Request) {
    if (request.url.startsWith("api://fuck/")) {
      let curUrl = request.url
      const isScriteText = curUrl.endsWith("?script")
      if (isScriteText) {
        curUrl = curUrl.replace("?script", "")
      }
      const isPost = request.method.toLowerCase() === "post"
      const file = curUrl.replace("api://fuck/", "")
      const array = file.split("/")
      const routePath = array.slice(0, -1).join("/")
      const fnName = array[array.length - 1]
      // https://vitejs.cn/vite5-cn/guide/features.html#dynamic-import
      const module = await this._IOC.getAsync(routePath)
      // const module = await import(`main/controller/${routePath}.ts`)
      const opts = { body: {}, query: {} }
      if (isPost) {
        opts.body = await request.json()
      }
      const headers: HeadersInit = {}
      if (isScriteText) {
        headers["content-type"] = "text/javascript"
      }
      if (isPost) {
        headers["content-type"] = "application/json"
      }
      if (module && module[fnName]) {
        if (typeof module[fnName] === "string") {
          const result = module[fnName]
          return new Response(result, {
            status: 200,
            headers: Object.keys(headers).length ? headers : undefined,
          })
        }
        if (typeof module[fnName] === "function") {
          let result = await module[fnName](opts)
          if (typeof result === "object") {
            result = JSON.stringify(result)
          }
          return new Response(result, {
            status: 200,
            headers: Object.keys(headers).length ? headers : undefined,
          })
        }
        if (typeof module[fnName] === "object") {
          let result = module[fnName]
          if (typeof result === "object") {
            result = JSON.stringify(result)
          }
          return new Response(result, {
            status: 200,
            headers: Object.keys(headers).length ? headers : undefined,
          })
        }
      }
      return new Response("", {
        status: 500,
        headers: Object.keys(headers).length ? headers : undefined,
      })
    } else if (request.url.startsWith("api://")) {
      return new Response("error", {
        status: 500,
      })
    }
    return net.fetch(request.url, request)
  }
}

export default Api
export { Api }