<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\admin\venue;

use app\model\venue\Venue;
use app\model\campus\Campus;

use core\base\BaseAdminService;


/**
 * 场地服务层
 * Class VenueService
 * @package app\service\admin\venue
 */
class VenueService extends BaseAdminService
{
    public function __construct()
    {
        parent::__construct();
        $this->model = new Venue();
    }

    /**
     * 获取场地列表
     * @param array $where
     * @return array
     */
    public function getPage(array $where = [])
    {
        $field = 'id,campus_id,venue_name,capacity,availability_status,time_range_type,time_range_start,time_range_end,fixed_time_ranges,created_at,updated_at,deleted_at';
        $order = 'updated_at desc';

        $search_model = $this->model->withSearch(["campus_id", "venue_name", "capacity", "availability_status", "time_range_type", "created_at", "updated_at"], $where)->with(['campus'])->field($field)->order($order);
        $list = $this->pageQuery($search_model);
        return $list;
    }

    /**
     * 获取场地信息
     * @param int $id
     * @return array
     */
    public function getInfo(int $id)
    {
        $field = 'id,campus_id,venue_name,capacity,availability_status,time_range_type,time_range_start,time_range_end,fixed_time_ranges,created_at,updated_at,deleted_at';

        $info = $this->model->field($field)->where([['id', "=", $id]])->with(['campus'])->findOrEmpty()->toArray();
        $info['availability_status'] = strval($info['availability_status']);
        $info['time_range_type'] = strval($info['time_range_type']);
        // 处理 fixed_time_ranges 字段的 JSON 解析，避免 null 值导致的错误
        if ($info['fixed_time_ranges'] === null || $info['fixed_time_ranges'] === '') {
            $info['fixed_time_ranges'] = [];
        } else {
            $decoded = json_decode($info['fixed_time_ranges'], true);
            $info['fixed_time_ranges'] = (json_last_error() === JSON_ERROR_NONE && is_array($decoded)) ? $decoded : [];
        }
        return $info;
    }

    /**
     * 添加场地
     * @param array $data
     * @return mixed
     */
    public function add(array $data)
    {
        if ($data['time_range_type'] === 'fixed') {
            $data['fixed_time_ranges'] = json_encode($data['fixed_time_ranges']);
        }

        $res = $this->model->create($data);
        return $res->id;

    }

    /**
     * 场地编辑
     * @param int $id
     * @param array $data
     * @return bool
     */
    public function edit(int $id, array $data)
    {
        if ($data['time_range_type'] === 'fixed') {
            $data['fixed_time_ranges'] = json_encode($data['fixed_time_ranges']);
        }

        $this->model->where([['id', '=', $id]])->update($data);
        return true;
    }

    /**
     * 删除场地
     * @param int $id
     * @return bool
     */
    public function del(int $id)
    {
        $model = $this->model->where([['id', '=', $id]])->find();
        $res = $model->delete();
        return $res;
    }


    /**
     * 获取校区列表
     * @return array
     */
    public function getCampusAll()
    {
        $campusModel = new Campus();
        return $campusModel->select()
            ->where('campus_status', '=', 1)
            ->toArray();
    }

    /**
     * 获取校区下的场地列表
     * @param $campus_id
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getVenueAll($campus_id)
    {
        return $this->model->where('availability_status', '=', 1)
            ->where('campus_id', $campus_id)
            ->select()
            ->toArray();
    }

    /**
     * 获取场地那天的可预约时间
     */
    public function getVenueTime($date)
    {
        $timeSlots = [];
        foreach ($date as $item) {
            // 获取 time_range_type，默认为空
            $timeRangeType = $item['time_range_type'] ?? '';
            switch ($timeRangeType) {
                case 'fixed':
                    // 固定时间段
                    if (!empty($item['fixed_time_ranges'])) {
                        try {
                            $fixedRanges = json_decode($item['fixed_time_ranges'], true);
                            foreach ($fixedRanges as $range) {
                                if (isset($range['start_time'], $range['end_time'])) {
                                    $timeSlots[] = "{$range['start_time']}-{$range['end_time']}";
                                }
                            }
                        } catch (\Exception $e) {
                            // 记录错误日志
                            \think\facade\Log::error('解析固定时间段失败: ' . $e->getMessage());
                        }
                    }
                    break;

                case 'all':
                    // 全天可用，但中午12:30-14:00不可用
                    // 上午：8:00 - 12:30（每小时）
                    for ($hour = 8; $hour <= 12; $hour++) {
                        $startTime = sprintf('%02d:%02d', $hour, 0);
                        $endTime = sprintf('%02d:%02d', $hour + 1, 0);
                        if ("12:30" === "$startTime") continue;
                        $timeSlots[] = "$startTime-$endTime";
                    }

                    // 下午：14:00 - 21:00（每小时）
                    for ($hour = 14; $hour < 22; $hour++) {
                        $startTime = sprintf('%02d:%02d', $hour, 0);
                        $endTime = sprintf('%02d:%02d', $hour + 1, 0);
                        $timeSlots[] = "$startTime-$endTime";
                    }
                    break;

                case 'range':
                    // 自定义时间范围
                    $start = $item['time_range_start'] ?? '';
                    $end = $item['time_range_end'] ?? '';
                    if ($start && $end) {
                        $startParts = explode(':', $start);
                        $endParts = explode(':', $end);

                        if (count($startParts) === 2 && count($endParts) === 2) {
                            $startTotalMinutes = intval($startParts[0]) * 60 + intval($startParts[1]);
                            $endTotalMinutes = intval($endParts[0]) * 60 + intval($endParts[1]);

                            if ($startTotalMinutes < $endTotalMinutes) {
                                for ($minutes = $startTotalMinutes; $minutes < $endTotalMinutes; $minutes += 60) {
                                    $startHour = intdiv($minutes, 60);
                                    $startMinute = $minutes % 60;
                                    $endHour = intdiv($minutes + 60, 60);
                                    $endMinute = ($minutes + 60) % 60;

                                    $startTime = sprintf('%02d:%02d', $startHour, $startMinute);
                                    $endTime = sprintf('%02d:%02d', $endHour, $endMinute);
                                    $timeSlots[] = "$startTime-$endTime";
                                }
                            }
                        }
                    }
                    break;

                default:
                    // 不支持的类型返回空数组
                    break;
            }
        }
//        $timeSlots去重
        return array_unique($timeSlots);
    }

}