import { prisma } from "@/lib/prisma"
import axios from "axios"
import { NextResponse } from "next/server"

// This endpoint has three functions:
// (1) Create a new LibreCloud user (Authentik, Email)
// (2) Link a user with their Git account via DB (creates user in db)
// (3) Migrate a p0ntus mail account to a LibreCloud account (creates/migrates Authentik/Email)

async function createEmail(email: string, password: string, migrate: boolean) {
  const response = await axios.post("http://localhost:6723/accounts/add", {
    email,
    password,
    migrate,
  })

  const responseData = response.data
  if (responseData.success) {
    return response.data
  } else if (responseData.error) {
    return { success: false, message: responseData.error }
  } else {
    return { success: false, message: "Failed to create email account" }
  }
}

export async function POST(request: Request) {
  try {
    const body = await request.json()
    const { name, username, email, password, migrate } = body

    console.log(body)

    if (!name || !email || !password) {
      return NextResponse.json({ success: false, message: "Request is incomplete" })
    }

    // Insert into database if user provided Git username
    if (username) {
      const user = await prisma.user.create({
        data: {
          email,
          username,
        },
      })
      return NextResponse.json(user)
    } else {
      // Create Authentik user
      const genUser = email.split("@")[0]
      const userData = {
        username: genUser,
        name,
        is_active: true,
        groups: [
          "b2c38bad-1d15-4ffd-b6d4-d95370a092ca" // this represents the "Users" group in Authentik
        ],
        email,
        type: "internal",
      }
      console.log(userData)
      const response = await axios.request({
        method: "post",
        maxBodyLength: Infinity,
        url: "https://auth.librecloud.cc/api/v3/core/users/",
        headers: {
          "Content-Type": "application/json",
          Accept: "application/json",
          Authorization: `Bearer ${process.env.AUTHENTIK_API_KEY}`,
        },
        data: JSON.stringify(userData),
        validateStatus: () => true, // capture response even for error status codes
      })

      if (response.data?.detail) {
        console.log(response.data.detail)
      }

      if (response.status !== 201) {
        console.log(response.data)
        if (response.data.username && response.data.username[0] === "This field must be unique.") {
          return NextResponse.json({ success: false, message: "Username already exists" })
        }
        return NextResponse.json({ success: false, message: "Failed to create user in Authentik" })
      } else {
        const userID = response.data.pk
        const updData = {
          password,
        }
        const updCfg = await axios.request({
          method: "post",
          maxBodyLength: Infinity,
          url: `https://auth.librecloud.cc/api/v3/core/users/${userID}/set_password/`,
          headers: {
            "Content-Type": "application/json",
            Authorization: `Bearer ${process.env.AUTHENTIK_API_KEY}`,
          },
          data: updData,
          validateStatus: () => true, // capture response even for error status codes
        })

        if (updCfg.data?.detail) {
          console.log(updCfg.data.detail)
        }

        if (updCfg.status === 204) {
          // account created successfully, now create email
          const emailRes = await createEmail(email, password, migrate)
          return NextResponse.json(emailRes)
        } else if (updCfg.status === 400) {
          return NextResponse.json({ success: false, message: "Bad Request - Failed to set Authentik password" })
        } else {
          return NextResponse.json({ success: false, message: "Internal Server Error - Failed to set Authentik password" })
        }
      }
    }
  } catch (error: unknown) {
    if (axios.isAxiosError(error) && error.response?.data?.detail) {
      console.log("Axios error detail:", error.response.data.detail)
    } else {
      console.log(error)
    }
    return NextResponse.json({ success: false, message: "Internal server error - Failed to create user" })
  }
}