<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Rooyesh\Wallet\models\Transaction;
use Rooyesh\Wallet\models\Wallet;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;

class Product extends Model
{
    use HasFactory,Selector,SoftDeletes;

    private static ?bool $priceOffsetColumnExists = null;
    private static ?bool $priceColumnExists = null;
    private static ?bool $orderLimitColumnsExist = null;
    private static ?bool $showInAssetsColumnExists = null;
    private static ?bool $useLastPriceIfZeroColumnExists = null;
    private static ?bool $directPriceColumnExists = null;
    private static ?bool $tradeByQuantityColumnExists = null;

    protected static function booted(): void
    {
        static::saving(function (Product $product) {
            if (!static::hasPriceOffsetColumn()) {
                unset($product->attributes['price_offset_percent']);
            }
            if (!static::hasOrderLimitColumns()) {
                unset(
                    $product->attributes['order_limit_enabled'],
                    $product->attributes['min_order_cash'],
                    $product->attributes['max_order_cash']
                );
            }
            if (!static::hasShowInAssetsColumn()) {
                unset($product->attributes['show_in_assets']);
            }
            if (!static::hasUseLastPriceIfZeroColumn()) {
                unset($product->attributes['use_last_price_if_zero']);
            }
            if (!static::hasDirectPriceColumn()) {
                unset($product->attributes['direct_price']);
            }
            if (!static::hasTradeByQuantityColumn()) {
                unset($product->attributes['trade_by_quantity']);
            }
        });
    }

    public static function hasPriceOffsetColumn(): bool
    {
        if (static::$priceOffsetColumnExists !== null) {
            return static::$priceOffsetColumnExists;
        }

        try {
            static::$priceOffsetColumnExists = Schema::hasColumn(
                (new static)->getTable(),
                'price_offset_percent'
            );
        } catch (\Throwable) {
            static::$priceOffsetColumnExists = false;
        }

        return static::$priceOffsetColumnExists;
    }

    /** گلد علی: جدول products ممکن است ستون price نداشته باشد */
    public static function hasStoredPriceColumns(): bool
    {
        if (static::$priceColumnExists !== null) {
            return static::$priceColumnExists;
        }

        try {
            static::$priceColumnExists = Schema::hasColumn((new static)->getTable(), 'price');
        } catch (\Throwable) {
            static::$priceColumnExists = false;
        }

        return static::$priceColumnExists;
    }

    public static function hasOrderLimitColumns(): bool
    {
        if (static::$orderLimitColumnsExist !== null) {
            return static::$orderLimitColumnsExist;
        }

        try {
            static::$orderLimitColumnsExist = Schema::hasColumn(
                (new static)->getTable(),
                'order_limit_enabled'
            );
        } catch (\Throwable) {
            static::$orderLimitColumnsExist = false;
        }

        return static::$orderLimitColumnsExist;
    }

    public static function hasShowInAssetsColumn(): bool
    {
        if (static::$showInAssetsColumnExists !== null) {
            return static::$showInAssetsColumnExists;
        }

        try {
            static::$showInAssetsColumnExists = Schema::hasColumn(
                (new static)->getTable(),
                'show_in_assets'
            );
        } catch (\Throwable) {
            static::$showInAssetsColumnExists = false;
        }

        return static::$showInAssetsColumnExists;
    }

    public static function hasUseLastPriceIfZeroColumn(): bool
    {
        if (static::$useLastPriceIfZeroColumnExists !== null) {
            return static::$useLastPriceIfZeroColumnExists;
        }

        try {
            static::$useLastPriceIfZeroColumnExists = Schema::hasColumn(
                (new static)->getTable(),
                'use_last_price_if_zero'
            );
        } catch (\Throwable) {
            static::$useLastPriceIfZeroColumnExists = false;
        }

        return static::$useLastPriceIfZeroColumnExists;
    }

    public static function hasDirectPriceColumn(): bool
    {
        if (static::$directPriceColumnExists !== null) {
            return static::$directPriceColumnExists;
        }

        try {
            static::$directPriceColumnExists = Schema::hasColumn(
                (new static)->getTable(),
                'direct_price'
            );
        } catch (\Throwable) {
            static::$directPriceColumnExists = false;
        }

        return static::$directPriceColumnExists;
    }

    public static function hasTradeByQuantityColumn(): bool
    {
        if (static::$tradeByQuantityColumnExists !== null) {
            return static::$tradeByQuantityColumnExists;
        }

        try {
            static::$tradeByQuantityColumnExists = Schema::hasColumn(
                (new static)->getTable(),
                'trade_by_quantity'
            );
        } catch (\Throwable) {
            static::$tradeByQuantityColumnExists = false;
        }

        return static::$tradeByQuantityColumnExists;
    }

    public function orderLimitsEnabled(): bool
    {
        if (!static::hasOrderLimitColumns() || !($this->order_limit_enabled ?? false)) {
            return false;
        }

        return $this->min_order_cash !== null || $this->max_order_cash !== null;
    }

    public function validateOrderCashLimit(float $totalPriceRial): void
    {
        if (!$this->orderLimitsEnabled()) {
            return;
        }

        $min = $this->min_order_cash;
        $max = $this->max_order_cash;

        if ($min !== null && $totalPriceRial < (float) $min) {
            throw new \Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException(
                'حداقل مبلغ این محصول ' . number_format((float) $min) . ' ریال می‌باشد'
            );
        }

        if ($max !== null && $totalPriceRial > (float) $max) {
            throw new \Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException(
                'حداکثر مبلغ این محصول ' . number_format((float) $max) . ' ریال می‌باشد'
            );
        }
    }

    public function getPriceOffsetPercentAttribute($value): float
    {
        if (!static::hasPriceOffsetColumn()) {
            return 0.0;
        }

        return (float) ($value ?? 0);
    }
    protected $fillable = [
        'title',             // The title of the record.
        'price',             // The amount of the record.
        'amount',             // The amount of the record.
        'unit',              // The unit of the item.
        'group_type',              // The unit of the item.
        'file_id',           // The ID of the associated file.
        'can_canceled',      // Whether the record can be canceled (boolean).
        'active',            // The active status of the record (boolean).
        'for_barayand',      // Whether it is for Barayand (boolean).
        'show',              // Whether to show the record (boolean).
        'show_in_assets',    // Show balance on customer assets page cards
        'trade_by_quantity', // UI معامله مقداری: ارزش کل + مقدار
        'use_last_price_if_zero', // Keep last DB price when automatic provider returns zero
        'open_sell',         // Whether selling is open (boolean).
        'auto_open_at',         // Whether selling is open (boolean).
        'auto_close_at',         // Whether selling is open (boolean).
        'kalhor_name',       // The name of the Kalhor entity.
        'default_credit',    // Default credit amount.
        'reading_method',    // The method of reading.
        'open_buy',           // Whether buying is open (boolean).
        'percent_fee_sell',     // Add percent_fee_sell to fillable
        'cash_fee_buy',         // Add cash_fee_buy to fillable
        'cash_fee_sell',        // Add cash_fee_sell to fillable
        'percent_fee_buy',       // Add percent_fee_buy to fillable
        'order_limit_enabled',
        'min_order_cash',
        'max_order_cash',
        'metal_id',             //the material of metal (#gold or #silver)
        'price_offset_percent', // admin only: +/- % vs automatic reference (baked into price on sync)
        'price_profit',
        'bubble',
        'inventory',
        'description',
        'direct_price',
    ];

    protected $attributes = [
        'show_in_assets' => false,
        'trade_by_quantity' => false,
        'use_last_price_if_zero' => false,
    ];

    protected $casts = [
        'can_canceled' => 'boolean',  // Cast to boolean.
        'active' => 'boolean',        // Cast to boolean.
        'show' => 'boolean',          // Cast to boolean.
        'show_in_assets' => 'boolean',
        'trade_by_quantity' => 'boolean',
        'use_last_price_if_zero' => 'boolean',
        'for_barayand' => 'boolean',  // Cast to boolean.
        'open_sell' => 'boolean',     // Cast to boolean.
        'auto_sell' => 'boolean',     // Cast to boolean (you mentioned this in your casts but it's missing in `$fillable`).
        'open_buy' => 'boolean',      // Cast to boolean.
        'auto_buy' => 'boolean',       // Cast to boolean.
        'price' => 'int',   // Cast to float.
        'percent_fee_sell' => 'float',   // Cast to float.
        'percent_fee_buy' => 'float',    // Cast to float.
        'order_limit_enabled' => 'boolean',
        'min_order_cash' => 'int',
        'max_order_cash' => 'int',
        'cash_fee_buy' => 'int',     // Cast to int or decimal if needed
        'cash_fee_sell' => 'int',    // Cast to int or decimal if needed
        'price_offset_percent' => 'float',
        'price_profit' => 'int',
    ];

    static $METAL_ID = [
        1=>'طلا',
        2=>'نقره',
    ];

    public function wallet()
    {
        return $this->hasOne(Wallet::class);
    }
    public function walletMy()
    {
        return $this->hasOne(Wallet::class)->where('owner',auth()->user()->id);
    }
    public function file(){
        return $this->belongsTo(File::class);
    }
    public function price(){
        return $this->hasOne(Price::class)->orderBy('id','desc');
    }
    public function getPrices()
    {
        $now = Carbon::now();
        $lastMonth = Carbon::now()->subMonth();

        $subQuery = DB::table('prices')
            ->select('product_id', 'date_at', 'price')
            ->whereBetween('date_at', [$lastMonth, $now])
            ->where('product_id', $this->id)
            ->orderBy('date_at', 'desc')
            ->distinct('date_at')
            ->groupBy('date_at', 'product_id', 'price');

        return DB::table(DB::raw("({$subQuery->toSql()}) as sub"))
            ->mergeBindings($subQuery->getQuery())
            ->get(['product_id', 'date_at', 'price']);
    }
    public function prices(){
        $now = Carbon::now();
        $lastMonth = Carbon::now()->subMonth();
        $data = [];
        $datas=  $this->hasMany(Price::class, 'product_id')
            ->whereBetween('date_at', [$lastMonth, $now])
            ->distinct('date_at')
            ->select(['product_id', 'date_at', 'difference', 'price']);
        return $datas;
    }
    public function default(){
        return $this->hasMany(ProductCredit::class);
    }
    public function sub(){
        return $this->hasOne(PackageProduct::class)->where('is_base',true);
    }
//    public function wallet(){
//        return $this->hasOne(Wallet::class);
//    }
    public function transaction(){
        return $this->hasMany(Transaction::class);
    }

    public function limitedTransactions()
    {
        return $this->hasMany(Transaction::class)->select('id', 'gold', 'title', 'created_at', 'product_id');
    }

    public function transactionAgentPanel(){
        return $this->hasMany(Transaction::class)->where('note','برداشت بابت فروش')->orwhere('note','واریز بابت خرید')->orwhere('note','سند ورود طلا');
    }

}