const Blogs = require("../../blogs/models/Blogs");
const { CustomSettings } = require("../../settings/models/Settings");
const { User } = require("../../users/models/user");
const { Follow } = require("../models");
const { followButton } = require("./process");

exports.searchFollow = async function({user, targetUser}){
    if(user !== targetUser){
        const query = await Follow.findOne({
            where:{
                user: user,
                target_user: targetUser
            },
            include: [
                { model: User, as: 'follower' },
                { model: User, as: 'following' }
              ]
        });
        return {
            Status: "Success",
            isMy: false,
            isNull: (query) ? false : true,
            data: query
        }
    }else if(user === targetUser){
        return {
            Status: "Success",
            isMy: true,
            isNull: true
        };
    }else{
        return {
            Status: "Success",
            isNull: true
        }
    };
};

exports.getFollowers = async function({userId, statu = true, myUserId = null}){
    const result = await Follow.findAll({
        where:{
            target_user: userId,
            statu: statu
        },
        include: {
            model: User,
            include: [Blogs, CustomSettings],
            as: "follower"
        }
    });

    const isLen = result.length > 0;

    if(isLen === true && myUserId !== null){
        for (let index = 0; index < result.length; index++) {
            const element = result[index];
            await followButton({
                data: element,
                myUserId: myUserId
            });
        };
    };

    return {
        Status: "Success",
        isNull: !isLen, 
        data: result
    };
};

exports.getFollowings = async function({userId, statu = true, myUserId = null}){
    const result = await Follow.findAll({
        where:{
            user: userId,
            statu: statu
        },
        include: {
            model: User,
            include: [Blogs, CustomSettings],
            as: "following"
        }
    });
    
    const isLen = result.length > 0;

    if(isLen === true && myUserId !== null){
        for (let index = 0; index < result.length; index++) {
            const element = result[index];
            await followButton({
                data: element,
                myUserId: myUserId
            })
        };
    }

    return {
        Status: "Success",
        isNull: !isLen,
        data: result
    };
};

exports.getFollowingsForIds = async function({userId}) {
    const result = await Follow.findAll({
        where: {
            user: userId
        }
    });
    return result.map(res => res.target_user);
};