<?php

namespace app\api\controller;

use app\common\controller\Api;
use app\common\service\AssessmentService;
use app\common\service\ContentService;
use fast\Random;
use think\Db;

/**
 * 两性关系接口（M7）
 *
 * 关系测评 / 沟通引导卡 / 冲突工具 / 关系课程 / 双人任务 / 纪念回顾
 */
class Relation extends Api
{
    protected $noNeedLogin = [];
    protected $noNeedRight = '*';

    /**
     * 关系模块总览
     */
    public function index()
    {
        $userId = $this->auth->id;

        $this->success('', [
            'assessments' => AssessmentService::lists('relation', $userId),
            'cards'       => ContentService::lists($userId, ['type' => 'card', 'limit' => 3])['list'],
            'conflicts'   => ContentService::lists($userId, ['type' => 'conflict', 'limit' => 3])['list'],
            'courses'     => ['list' => $this->coursesData()],
            'tasks'       => $this->tasks(),
            'memories'    => $this->memoryList(5),
            'stats'       => $this->stats($userId),
        ]);
    }

    /**
     * 关系测评列表 / 详情 / 提交
     */
    public function assessments()
    {
        $this->success('', ['list' => AssessmentService::lists('relation', $this->auth->id)]);
    }

    public function assessmentDetail()
    {
        $data = AssessmentService::detail($this->request->param('id', 0));
        if (!$data) {
            $this->error('量表不存在');
        }
        $this->success('', $data);
    }

    public function assessmentSubmit()
    {
        $answers = $this->request->post('answers', '');
        $answers = is_array($answers) ? $answers : json_decode(htmlspecialchars_decode((string)$answers, ENT_QUOTES), true);
        if (!is_array($answers)) {
            $this->error('请完成全部题目');
        }
        $result = AssessmentService::submit($this->auth->id, (int)$this->request->post('id', 0), $answers);
        if (isset($result['error'])) {
            $this->error($result['error']);
        }
        $this->success('测评完成', $result);
    }

    /**
     * 沟通引导卡 / 冲突工具
     */
    public function cards()
    {
        $this->success('', ContentService::lists($this->auth->id, ['type' => 'card', 'limit' => 30]));
    }

    public function conflicts()
    {
        $this->success('', ContentService::lists($this->auth->id, ['type' => 'conflict', 'limit' => 30]));
    }

    /**
     * 关系课程列表 + 购买
     */
    public function courses()
    {
        $this->success('', [
            'list'  => $this->coursesData(),
            'total' => count($this->coursesData()),
        ]);
    }

    protected function coursesData()
    {
        $data = ContentService::lists($this->auth->id, ['type' => 'course', 'part' => 'relation', 'limit' => 30]);
        return $data['list'];
    }

    public function courseBuy()
    {
        $userId = $this->auth->id;
        $contentId = (int)$this->request->post('id', 0);
        $course = Db::name('content')->where('id', $contentId)->where('type', 'course')->find();
        if (!$course) {
            $this->error('课程不存在');
        }
        if (ContentService::hasPurchased($userId, $contentId)) {
            $this->success('已购买', ['purchased' => true]);
        }

        $orderNo = 'HC' . date('YmdHis') . Random::numeric(4);
        $id = Db::name('course_order')->insertGetId([
            'order_no'   => $orderNo,
            'user_id'    => $userId,
            'content_id' => $contentId,
            'amount'     => 0,
            'pay_status' => 'unpaid',
            'createtime' => time(),
        ]);

        $this->success('订单已创建', [
            'order_id' => (int)$id,
            'order_no' => $orderNo,
            'amount'   => (float)0,
            'pay_hint' => '课程支付通道待接入，可联系客服开通',
            'purchased' => false,
        ]);
    }

    /**
     * 双人任务
     */
    public function taskList()
    {
        $this->success('', ['list' => $this->tasks()]);
    }

    public function taskSave()
    {
        $userId = $this->auth->id;
        $id = (int)$this->request->post('id', 0);
        $title = mb_substr(trim((string)$this->request->post('title', '')), 0, 80);
        if (!$title) {
            $this->error('请填写任务内容');
        }
        $data = [
            'user_id'       => $userId,
            'scope'         => 'relation',
            'title'         => $title,
            'category'      => $this->request->post('category', 'daily'),
            'share_partner' => 1,
            'updatetime'    => time(),
        ];
        if ($id) {
            $row = Db::name('task')->where('id', $id)->where('user_id', $userId)->find();
            if (!$row) {
                $this->error('任务不存在');
            }
            Db::name('task')->where('id', $id)->update($data);
        } else {
            $data['createtime'] = time();
            $id = Db::name('task')->insertGetId($data);
        }
        $this->success('已保存', ['id' => (int)$id, 'list' => $this->tasks()]);
    }

    public function taskDone()
    {
        $userId = $this->auth->id;
        $id = (int)$this->request->post('id', 0);
        $row = Db::name('task')->where('id', $id)->where('user_id', $userId)->where('scope', 'relation')->find();
        if (!$row) {
            $this->error('任务不存在');
        }
        $done = $row['done'] ? 0 : 1;
        Db::name('task')->where('id', $id)->update([
            'done' => $done, 'done_time' => $done ? time() : null, 'updatetime' => time(),
        ]);
        // 完成双人任务，双人共同记录进「爱的记忆」
        if ($done) {
            Db::name('memory')->insert([
                'user_id'     => $userId,
                'bind_id'     => 0,
                'title'       => '一起完成：' . $row['title'],
                'memory_date' => date('Y-m-d'),
                'type'        => 'daily',
                'content'     => '',
                'remind'      => 0,
                'createtime'  => time(),
            ]);
        }
        $this->success($done ? '已完成' : '已取消', ['done' => $done, 'list' => $this->tasks()]);
    }

    /**
     * 纪念与回顾
     */
    public function memories()
    {
        $this->success('', ['list' => $this->memoryList(50)]);
    }

    public function memorySave()
    {
        $userId = $this->auth->id;
        $title = mb_substr(trim((string)$this->request->post('title', '')), 0, 60);
        $date = (string)$this->request->post('memory_date', date('Y-m-d'));
        if (!$title) {
            $this->error('请填写纪念日名称');
        }
        if (!strtotime($date)) {
            $this->error('日期格式不正确');
        }
        $id = Db::name('memory')->insertGetId([
            'user_id'     => $userId,
            'title'       => $title,
            'memory_date' => $date,
            'type'        => $this->request->post('type', 'anniversary'),
            'content'     => mb_substr((string)$this->request->post('content', ''), 0, 500),
            'remind'      => (int)$this->request->post('remind', 1),
            'createtime'  => time(),
        ]);
        $this->success('已记录', ['id' => (int)$id, 'list' => $this->memoryList(50)]);
    }

    public function memoryRemove()
    {
        $id = (int)$this->request->post('id', 0);
        $row = Db::name('memory')->where('id', $id)->where('user_id', $this->auth->id)->find();
        if (!$row) {
            $this->error('记录不存在');
        }
        Db::name('memory')->where('id', $id)->update(['deletetime' => time()]);
        $this->success('已删除', ['list' => $this->memoryList(50)]);
    }

    // ---------------- 内部方法 ----------------

    protected function tasks()
    {
        $rows = Db::name('task')
            ->where('user_id', $this->auth->id)
            ->where('scope', 'relation')
            ->whereNull('deletetime')
            ->order('done asc, id desc')
            ->select();
        return array_map(function ($row) {
            return [
                'id'    => (int)$row['id'],
                'title' => $row['title'],
                'category' => $row['category'],
                'done'  => (int)$row['done'],
            ];
        }, $rows);
    }

    protected function memoryList($limit)
    {
        $rows = Db::name('memory')
            ->where('user_id', $this->auth->id)
            ->whereNull('deletetime')
            ->order('memory_date', 'desc')
            ->limit($limit)
            ->select();

        return array_map(function ($row) {
            $days = (int)floor((strtotime(date('Y-m-d')) - strtotime($row['memory_date'])) / 86400);
            $nextDays = null;
            if ($row['type'] === 'anniversary') {
                $nextTs = strtotime(date('Y') . '-' . date('m-d', strtotime($row['memory_date'])));
                if ($nextTs < strtotime(date('Y-m-d'))) {
                    $nextTs = strtotime('+1 year', $nextTs);
                }
                $nextDays = (int)ceil(($nextTs - strtotime(date('Y-m-d'))) / 86400);
            }
            return [
                'id'          => (int)$row['id'],
                'title'       => $row['title'],
                'memory_date' => $row['memory_date'],
                'type'        => $row['type'],
                'content'     => $row['content'],
                'days_since'  => $days,
                'days_to_next' => $nextDays,
            ];
        }, $rows);
    }

    protected function stats($userId)
    {
        return [
            'task_total' => Db::name('task')->where('user_id', $userId)->where('scope', 'relation')->whereNull('deletetime')->count(),
            'task_done'  => Db::name('task')->where('user_id', $userId)->where('scope', 'relation')->where('done', 1)->whereNull('deletetime')->count(),
            'memory_total' => Db::name('memory')->where('user_id', $userId)->whereNull('deletetime')->count(),
            'test_count' => Db::name('assessment_record')
                ->where('user_id', $userId)
                ->whereIn('assessment_id', function ($query) {
                    $query->name('assessment')->where('scope', 'relation')->field('id');
                })
                ->count(),
        ];
    }
}