<?php

namespace App\Http\Controllers;

use App\Models\Appointment;
use App\Models\AppointmentHolidays;
use App\Models\AppointmentTemplate;
use App\Models\Hospital;
use Illuminate\Http\Request;
use Login;
use Yo;

class AppointmentController extends Controller
{
  public function month_map($month)
  {
    $week = date('w', strtotime($month[0]['date']));
    if ($week == 0) $week = 7;
    $month_list = [
      [],
      [],
      [],
      [],
      [],
      [],
    ];
    for ($i = 0; $i < $week; $i++) {
      $month_list[0][] = [
        'date' => '',
        'day' => 0,
        'create' => false,
      ];
    }
    foreach ($month as $item) {
      $c = date('d', strtotime($item['date'])) + ($week - 2);
      $w = date('w', strtotime($item['date']));
      if ($w == 0) $w = 7;
      $month_list[floor($c / 7)][$w - 1] = $item;
    }
    foreach ($month_list as $key => $item) {
      $c = count($item);
      if ($c != 7) {
        for ($i = 0; $i < 7 - $c; $i++) {
          $month_list[$key][] = [
            'date' => '',
            'day' => 0,
            'create' => false,
          ];
        }
      }
    }
    return $month_list;
  }

  public function last_day($date)
  {
    $date = strtotime($date);
    $count = cal_days_in_month(CAL_GREGORIAN, date('m', $date), date('Y', $date));
    return date('Y-m', $date) . '-' . $count;
  }

  public function first_day($date)
  {
    $date = strtotime($date);
    return date('Y-m-01', $date);
  }

  public function check_create($appointment_template, $date, $list)
  {
    $weekday = $appointment_template->weekday;
    $holidays = $appointment_template->holidays;
    $weeks = json_decode($appointment_template->weeks, true);
    $week = date('w', strtotime($date));
    $week = $week == 0 ? 7 : $week;
    switch ($week) {
      case 1:
      case 2:
      case 3:
      case 4:
      case 5:
        if (isset($list[$date]) && $list[$date]['type'] == 1) {
          if ($holidays == 2) return false;
        }
        return in_array((string)$week, $weeks);
      case 6:
      case 7:
        if (isset($list[$date]) && $list[$date]['type'] == 2) {
          if ($weekday == 1) return true;
        }
        return in_array((string)$week, $weeks);
    }
  }

  public function date_map($start_date, $end_date, $appointment_template, $list)
  {
    $date_map = [];
    $first_day = self::first_day($start_date);
    $last_day = self::last_day($end_date);
    $first_day_time = strtotime($first_day);
    $last_day_time = strtotime($last_day);
    for ($i = $first_day_time; $i <= $last_day_time; $i += 86400) {
      $date = date('Y-m-d', $i);
      $key = date('Y_m', $i);
      $create = self::check_create($appointment_template, $date, $list);
      if (strtotime($start_date) > $i) $create = false;
      if (strtotime($end_date) < $i) $create = false;
      $item = [
        'date' => $date,
        'day' => date('d', $i),
        'create' => $create,
      ];
      $date_map[$key][] = $item;
    }
    $map = [];
    foreach ($date_map as $key => $item) {
      $map[] = [
        'year' => explode('_', $key)[0],
        'month' => explode('_', $key)[1],
        'list' => self::month_map($item),
      ];
    }
    return $map;
  }

  public function create(Request $request)
  {
    Login::admin([], [13, 15, 27]);
    $hospital_id = $request->post('hospital');
    if (Login::$info->hospital != 0) {
      if ($hospital_id != Login::$info->hospital) {
        Yo::error_echo(100000, ['机构/医院']);
      }
    }
    $id = $request->post('id');
    $date_arr = $request->post('date_arr');
    $appointment_template = AppointmentTemplate::find($id);
    if (!$appointment_template) Yo::error_echo(100000, ['计划模板']);
    if (count($date_arr) > 300) Yo::error_echo(200022);
    $hospital = Hospital::where('id', $hospital_id)->where('del', 2)->first();
    if (!$hospital) Yo::error_echo(100000, ['机构/医院']);
    $list = [];
    $error = [];
    foreach ($date_arr as $date) {
      $week = date('w', strtotime($date));
      $week = $week == 0 ? 7 : $week;
      $appointment = new Appointment();
      $appointment->date = $date;
      $appointment->week = $week;
      $appointment->start_time = $appointment_template->start_time;
      $appointment->end_time = $appointment_template->end_time;
      $appointment->stop_time = $appointment_template->stop_time;
      $appointment->max_count = $appointment_template->max_count;
      $appointment->used_count = 0;
      $appointment->hospital = $hospital->id;
      $appointment->status = 1;
      $appointment->save();
      if (!!$appointment->id) {
        $list[] = $appointment;
      } else {
        $error[] = $appointment;
      }
    }
    return Yo::echo([
      'list' => $list,
      'error' => $error,
    ]);
  }

  public function create_list(Request $request)
  {
    Login::admin([], [13, 27]);
    $id = $request->post('id');
    $start_date = $request->post('start_date');
    $end_date = $request->post('end_date');
    if (strtotime($start_date) > strtotime($end_date)) Yo::error_echo(200020);
    $appointment_template = AppointmentTemplate::find($id);
    if (!$appointment_template) Yo::error_echo(100000, ['计划模板']);
    $appointment_holiday_list = AppointmentHolidays::where('date', '>=', $start_date)
      ->where('date', '<=', $end_date)
      ->get();
    $list = [];
    foreach ($appointment_holiday_list as $item) {
      $list[$item->date] = [
        'date' => $item->date,
        'type' => $item->type,
      ];
    }
    $date_map = self::date_map($start_date, $end_date, $appointment_template, $list);
    if (count($date_map) > 12) Yo::error_echo(200021);
    return Yo::echo([
      'list' => $date_map,
    ]);
  }

  public function delete(Request $request)
  {
    Login::admin([], [15, 27]);
    $ids = $request->post('ids');
    $appointments_to_delete = Appointment::whereIn('id', $ids)
      ->where('used_count', '>', 0)
      ->get();
    if (count($appointments_to_delete)) {
      return Yo::error_echo(200023);
    }
    if(Login::$info->id==1){
      Appointment::whereIn('id', $ids)->update(['del' => 1]);
    }else{
      Appointment::whereIn('id', $ids)->where('hospital', Login::$info->hospital)->update(['del' => 1]);
    }
    return Yo::delete_echo($ids);
  }

  public function change_status(Request $request)
  {
    Login::admin([], [15, 27]);
    $ids = $request->post('ids');
    $status = $request->post('status');
    if(Login::$info->id==1){
      Appointment::whereIn('id', $ids)->update(['status' => $status]);
    }else{
      Appointment::whereIn('id', $ids)->where('hospital', Login::$info->hospital)->update(['status' => $status]);
    }
    return Yo::update_echo($ids);
  }

  public function change_count(Request $request)
  {
    Login::admin([], [15, 27]);
    $ids = $request->post('ids');
    $count = $request->post('count');
    if(Login::$info->id==1){
      Appointment::whereIn('id', $ids)->update(['max_count' => $count]);
    }else{
      Appointment::whereIn('id', $ids)->where('hospital', Login::$info->hospital)->update(['max_count' => $count]);
    }
    return Yo::update_echo($ids);
  }

  public function list(Request $request)
  {
    Login::admin([], [15, 27]);
    $hospital = $request->post('hospital');
    if (Login::$info->hospital != 0) {
      if ($hospital != Login::$info->hospital) {
        Yo::error_echo(100000, ['机构/医院']);
      }
    }
    $start_date = $request->post('start_date');
    $end_date = $request->post('end_date');
    $status = $request->post('status');
    $weeks = $request->post('weeks');
    $query = Appointment::select('*')
      ->selectRaw("IFNULL((select type from appointment_holidays where appointment_holidays.date = appointments.date),0) as date_type")
      ->where('hospital', $hospital);
    if ($status != 0) $query->where('status', '>=', $status);
    if (!!$start_date) $query->where('date', '>=', $start_date);
    if (!!$end_date) $query->where('date', '<=', $end_date);
    if (count($weeks) == 0) $weeks = [1, 2, 3, 4, 5, 6, 7];
    $query->whereIn('week', $weeks);
    $appointments = $query->where('del', 2)->orderBy('date', 'desc')->paginate(20);
    return Yo::echo($appointments);
  }

  public function mp_list(Request $request)
  {
    Login::user();
    $month = $request->post('month');
    $hospital = $request->post('hospital');
    $appointments = Appointment::where('hospital', $hospital)
      ->where('date', 'like', $month . '%')
      ->where('status', 1)
      ->where('del', 2)
      ->orderBy('date')
      ->get();
    $list = [];
    foreach ($appointments as $appointment) {
      $date = substr($appointment->date, 8, 2);
      if (!isset($list[$date])) {
        $list[$date] = [
          'date' => $appointment->date,
          'info' => 0,
          'data' => [
            'list' => []
          ],
        ];
      }
      $item_time = strtotime($appointment->date . ' ' . $appointment->stop_time);
      $start_show = date('H:i', strtotime($appointment->date . ' ' . $appointment->start_time));
      $end_show = date('H:i', strtotime($appointment->date . ' ' . $appointment->end_time));
      $appointment->start_show = $start_show;
      $appointment->end_show = $end_show;
      if ($item_time < time()) {
        $appointment->used_count = $appointment->max_count;
      } else {
        $list[$date]['info'] += max($appointment->max_count - $appointment->used_count, 0);
      }
      $list[$date]['data']['list'][] = $appointment;
    }
    $l = [];
    foreach ($list as $item) {
      $l[] = $item;
    }
    return Yo::echo([
      'list' => $l,
    ]);
  }
}