'use strict';

module.exports = app => {
    class WeappAttentionController extends app.BaseController {
        // 关注标段
        async follow() {
            const { ctx } = this;
            try {
                const { tenderIds } = ctx.request.body;
                if (!tenderIds || !Array.isArray(tenderIds) || tenderIds.length === 0) {
                    ctx.body = { code: 0, msg: '参数错误：请提供标段ID数组', data: null };
                    return;
                }
                const result = await ctx.service.weappAttention.followSections(tenderIds, ctx.session.sessionUser.id);
                if (result) {
                    ctx.body = { code: 0, msg: '关注成功', data: null };
                } else {
                    ctx.body = { code: 0, msg: '关注失败', data: null };
                }
            } catch (error) {
                ctx.body = { code: -1, msg: error.toString(), data: null };
            }
        }

        // 取消关注标段
        async unfollow() {
            const { ctx } = this;
            try {
                const { attentionIds } = ctx.request.body;
                if (!attentionIds || !Array.isArray(attentionIds) || attentionIds.length === 0) {
                    ctx.body = { code: 0, msg: '参数错误：请提供关注ID', data: null };
                    return;
                }
                const result = await ctx.service.weappAttention.unfollowSections(attentionIds, ctx.session.sessionUser.id);
                if (result) {
                    ctx.body = { code: 0, msg: '取消关注成功', data: null };
                } else {
                    ctx.body = { code: -1, msg: '取消关注失败', data: null };
                }
            } catch (error) {
                ctx.body = { code: -1, msg: error.toString(), data: null };
            }
        }

        // 获取用户关注的标段列表
        async followedList() {
            const { ctx } = this;
            try {
                const result = await ctx.service.weappAttention.getFollowedSections(ctx.session.sessionUser.id);
                ctx.body = { code: 0, msg: '', data: result };
            } catch (error) {
                ctx.body = { code: -1, msg: error.toString(), data: null };
            }
        }

        // 检查用户是否关注了某个标段
        async checkFollowing() {
            const { ctx } = this;
            try {
                const { tenderId } = ctx.query;
                if (!tenderId) {
                    ctx.body = { code: 0, msg: '参数错误：请提供标段ID', data: null };
                    return;
                }
                const isFollowing = await ctx.service.weappAttention.isFollowingSection(ctx.session.sessionUser.id, tenderId);
                ctx.body = { code: 0, msg: '', data: { following: isFollowing } };
            } catch (error) {
                ctx.body = { code: -1, msg: error.toString(), data: null };
            }
        }

    }
    return WeappAttentionController;
};