<?php

namespace App\Models;

use App\Enums\TaskPerformanceStatus;
use App\Traits\HasDateTimeFormatter;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\MorphOne;
use Illuminate\Support\Carbon;

class TaskPerformance extends Model
{
    use HasFactory, HasDateTimeFormatter;

    protected $fillable = [
        'month',
        'store_id',
        'store_master_id',
        'expected_performance',
        'actual_performance',
    ];

    public function task(): MorphOne
    {
        return $this->morphOne(Task::class, 'taskable');
    }

    public function store(): BelongsTo
    {
        return $this->belongsTo(Store::class);
    }

    public function storeMaster(): BelongsTo
    {
        return $this->belongsTo(Employee::class, 'store_master_id');
    }

    /**
     * 此业绩指标是否已完成
     */
    public function isCompleted(): bool
    {
        return bccomp($this->actual_performance, $this->expected_performance, 2) >= 0;
    }

    /**
     * 任务状态
     */
    protected function taskStatus(): Attribute
    {
        return Attribute::make(
            get: function (mixed $value, array $attributes) {
                if ($this->isCompleted()) {
                    return TaskPerformanceStatus::Success;
                }

                // 任务开始时间
                $startAt = Carbon::createFromFormat('Y-m-d H:i:s', "{$this->month}-01 00:00:00");
                // 任务结束时间
                $endAt = $startAt->copy()->endOfMonth();
                // 当前时间
                $datetime = now();

                if ($datetime->lt($startAt)) {
                    return TaskPerformanceStatus::Todo;
                } elseif ($datetime->gte($endAt)) {
                    return TaskPerformanceStatus::Failed;
                }
                return TaskPerformanceStatus::Processing;
            },
        );
    }
}