<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class PlatformOrder extends Model
{
    use HasFactory;

    public function refundTotal(): float
    {
        // 优先读扁平字段 refund_summary.total_amount
        $total = data_get($this->meta, 'refund_summary.total_amount');
        if ($total !== null) {
            return (float) $total;
        }

        // 回退：遍历 refund_receipts[].amount
        $refunds = (array) (data_get($this->meta, 'refund_receipts', []) ?? []);
        $sum = 0.0;
        foreach ($refunds as $r) {
            $sum += (float) (data_get($r, 'amount') ?? 0);
        }

        return $sum;
    }

    public function isRefundInconsistent(): bool
    {
        // 口径与平台订单列表 refund_inconsistent 保持一致：按分取整 + 0.01 容差
        $refundTotal = (float) $this->refundTotal();
        $paidAmount = (float) ($this->paid_amount ?? 0);

        $refundCents = (int) round($refundTotal * 100);
        $paidCents = (int) round($paidAmount * 100);

        if ((string) $this->payment_status === 'refunded') {
            // 允许 0.01 容差：refund_total + 0.01 < paid
            return ($refundCents + 1) < $paidCents;
        }

        return $paidCents > 0 && $refundCents >= $paidCents;
    }

    protected $fillable = [
        'merchant_id', 'plan_id', 'site_subscription_id', 'created_by_admin_id', 'order_no', 'order_type', 'status',
        'payment_status', 'payment_channel', 'plan_name', 'billing_cycle', 'period_months', 'quantity', 'list_amount',
        'discount_amount', 'payable_amount', 'paid_amount', 'placed_at', 'paid_at', 'activated_at', 'cancelled_at',
        'refunded_at', 'plan_snapshot', 'meta', 'remark',
    ];

    protected $casts = [
        'list_amount' => 'decimal:2',
        'discount_amount' => 'decimal:2',
        'payable_amount' => 'decimal:2',
        'paid_amount' => 'decimal:2',
        'placed_at' => 'datetime',
        'paid_at' => 'datetime',
        'activated_at' => 'datetime',
        'cancelled_at' => 'datetime',
        'refunded_at' => 'datetime',
        'plan_snapshot' => 'array',
        'meta' => 'array',
    ];

    public function merchant(): BelongsTo
    {
        return $this->belongsTo(Merchant::class, 'merchant_id');
    }

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

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

    public function creator(): BelongsTo
    {
        return $this->belongsTo(Admin::class, 'created_by_admin_id');
    }
}