const { MemberService, UserService } = require('../services');
const asyncHandler = require("../middlewares/asyncHandler");
const ErrorResponse = require("../utils/errorResponse");

module.exports.createMember = asyncHandler(async (req, res, next) => {
    try {
        const user = await UserService.getUserById(req.payload.id);
        if (!user) {
            return next(new ErrorResponse("Unauthorized", 401, "Authentication required."));
        }
        const {
            id, allowPm, avatarId, clanIcon, clanId, clanRole, clanTitle, commander, frameId,
            isChatModerator, lastLoginTime, leagueId, level, name, serverId
        } = req.body;
        const author = user.id;

        const member = await MemberService.createMember({
            id, allowPm, avatarId, clanIcon, clanId, clanRole, clanTitle, commander, frameId,
            isChatModerator, lastLoginTime, leagueId, level, name, serverId, author
        });

        res.status(201).json({
            message: 'Member created successfully.',
            data: member.toJSONFor(),
        });
    } catch (err) {
        return next(new ErrorResponse(`Something went wrong while creating member.`, 500, err.message));
    }
});

module.exports.deleteMember = asyncHandler(async (req, res, next) => {
    try {
        const { memberId } = req.params;
        let member = await MemberService.getMemberById(memberId);
        if (req.payload.id !== member.author.id) {
            return next(new ErrorResponse("Unauthorized", 401, "Authentication required."));
        }

        let data = await MemberService.deleteMember(member);
        res.status(200).json({
            message: 'Member deleted successfully.',
            data: data.id
        });
    } catch (err) {
        return next(new ErrorResponse(`Something went wrong while deleting member.`, 500, err.message));
    }
});

module.exports.getAllMembers = asyncHandler(async (req, res, next) => {
    try {
        let query = {};
        let { limit = 25, offset = 0 } = req.query;
        if (typeof req.query.name !== 'undefined') {
            const rgx = new RegExp(`.*${req.query.name}.*`);
            query = {
                $or: [
                    { name: { $regex: rgx, $options: "i" } },
                    { id: { $regex: rgx, $options: "i" } },
                ],
            }
        }

        const data = await MemberService.getAllMembers(query, limit, offset);
        res.status(200).json({
            data: {
                members: data.members.map(function (member) {
                    return member.toJSONFor();
                }),
                membersCount: data.membersCount
            }
        });
    } catch (err) {
        return next(new ErrorResponse(`Something went wrong while fetching members.`, 500, err.message));
    }
});

module.exports.getMember = asyncHandler(async (req, res, next) => {
    try {
        const { memberId } = req.params;
        let member = await MemberService.getMemberById(memberId);
        if (!member) {
            return next(new ErrorResponse("Member not found", 404));
        }

        res.status(200).json({ member: member.toJSONFor() });
    } catch (err) {
        return next(new ErrorResponse(`Something went wrong while updating member.`, 500, err.message));
    }
});

module.exports.updateMember = asyncHandler(async (req, res, next) => {
    try {
        const { memberId } = req.params;
        let member = await MemberService.getMemberById(memberId);

        if (req.payload.id !== member.author.id) {
            return next(new ErrorResponse("Unauthorized", 401, "Authentication required."));
        }
        const UPDATABLE_FIELDS = ['name', 'lastLoginTime', 'serverId', 'level', 'clanId', 'clanRole', 'commander', 'avatarId', 'isChatModerator', 'frameId', 'leagueId', 'clanTitle', 'champion', 'stats', 'membership', 'adventureSum', 'clanGiftsSum', 'clanWarSum', 'history', 'score', 'scoreGifts', 'warGifts', 'rewards'];
        UPDATABLE_FIELDS.forEach(field => {
            if (typeof req.body.member[field] !== 'undefined') member[field] = req.body.member[field];
        });

        let data = await MemberService.updateMember(member);
        res.status(200).json({
            message: 'Member updated successfully.',
            member: data.toJSONFor()
        });
    } catch (err) {
        return next(new ErrorResponse(`Something went wrong while updating member.`, 500, err.message));
    }
});