import User from "../models/user";
import Course from "../models/course";

const stripe = require("stripe")(process.env.STRIPE_SECRET);


export const makeInstructor = async(req, res) =>{
  try{
    const { name, email, ifsc, account_number, phone_number } = req.body;
    let userExist = await User.findOne({ email }).exec();
    if(userExist){
      if (userExist.role == "Instructor"){
      res.send('Your are already an instructor')
    }
    User.findOneAndUpdate({email},{role:"Instructor",account_number, phone_number, ifsc}, (err,data)=>{
      if(err){
        console.log(err)
      }else{
        console.log(data)
      }
    })
    res.json({"status":"ok"})
    }
    else{
      res.json({"status":"No"})
    }
  }catch(err){
    console.log(err)
  } 
}


export const getAccountStatus = async (req, res) => {
  try {
    const user = await User.findById(req.user._id).exec();
    const account = await stripe.accounts.retrieve(user.stripe_account_id);
    // console.log("ACCOUNT => ", account);
    if (!account.charges_enabled) {
      return res.staus(401).send("Unauthorized");
    } else {
      const statusUpdated = await User.findByIdAndUpdate(
        user._id,
        {
          stripe_seller: account,
          $addToSet: { role: "Instructor" },
        },
        { new: true }
      )
        .select("-password")
        .exec();
      res.json(statusUpdated);
    }
  } catch (err) {
    console.log(err);
  }
};

export const currentInstructor = async (req, res) => {
  try {
    let user = await User.findById(req.user._id).select("-password").exec();
    // console.log("CURRENT INSTRUCTOR => ", user);
    if (!user.role.includes("Instructor")) {
      return res.sendStatus(403);
    } else {
      res.json({ ok: true });
    }
  } catch (err) {
    console.log(err);
  }
};

export const instructorCourses = async (req, res) => {
  try {
    const courses = await Course.find({ instructor: req.user._id })
      .sort({ createdAt: -1 })
      .exec();
    res.json(courses);
  } catch (err) {
    console.log(err);
  }
};

export const studentCount = async (req, res) => {
  try {
    const users = await User.find({ courses: req.body.courseId })
      .select("_id")
      .exec();
    res.json(users);
  } catch (err) {
    console.log(err);
  }
};

export const instructorBalance = async (req, res) => {
  try {
    let user = await User.findById(req.user._id).exec();
    const balance = await stripe.balance.retrieve({
      stripeAccount: user.stripe_account_id,
    });
    res.json(balance);
  } catch (err) {
    console.log(err);
  }
};

export const instructorPayoutSettings = async (req, res) => {
  try {
    const user = await User.findById(req.user._id).exec();
    const loginLink = await stripe.accounts.createLoginLink(
      user.stripe_seller.id,
      { redirect_url: process.env.STRIPE_SETTINGS_REDIRECT }
    );
    res.json(loginLink.url);
  } catch (err) {
    console.log("stripe payout settings login link err => , err");
  }
};