<?php

namespace App\Models;

use App\Models\Concerns\InteractsWithActivityLog;
use Illuminate\Database\Eloquent\Attributes\Appends;
use Illuminate\Database\Eloquent\Attributes\Guarded;
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\SoftDeletes;

#[Guarded(['id'])]
#[Appends([
    'material_usage_formatted',
    'material_usage_input',
    'material_usage_cm_formatted',
    'material_usage_cm_input',
    'remaining_material_formatted',
    'remaining_material_input',
    'remaining_material_cm_formatted',
    'remaining_material_cm_input',
    'unit_abbreviation',
    'uses_length_unit',
])]
class CuttingMaterial extends Model
{
    use HasFactory;
    use InteractsWithActivityLog;
    use SoftDeletes;

    protected function casts(): array
    {
        return [
            'material_usage' => 'decimal:2',
            'remaining_material' => 'decimal:2',
        ];
    }

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

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

    public function materialUsageFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->formatQuantity($this->material_usage),
        );
    }

    public function materialUsageInput(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->formatQuantityInput($this->material_usage),
        );
    }

    public function remainingMaterialFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->formatQuantity($this->remaining_material),
        );
    }

    public function remainingMaterialInput(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->formatQuantityInput($this->remaining_material),
        );
    }

    public function unitAbbreviation(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->rawMaterialPrice?->rawMaterial?->unit?->abbreviation(),
        );
    }

    public function usesLengthUnit(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->rawMaterialPrice?->rawMaterial?->unit?->usesLengthUnit() ?? false,
        );
    }

    public function materialUsageCmFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->formatCmQuantity($this->material_usage),
        );
    }

    public function materialUsageCmInput(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->formatCmQuantityInput($this->material_usage),
        );
    }

    public function remainingMaterialCmFormatted(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->formatCmQuantity($this->remaining_material),
        );
    }

    public function remainingMaterialCmInput(): Attribute
    {
        return Attribute::make(
            get: fn () => $this->formatCmQuantityInput($this->remaining_material),
        );
    }

    public function materialUsageInCm(): ?float
    {
        $unit = $this->rawMaterialPrice?->rawMaterial?->unit;

        if ($unit === null) {
            return null;
        }

        return $unit->toCm((float) $this->material_usage);
    }

    public function remainingMaterialInCm(): ?float
    {
        $unit = $this->rawMaterialPrice?->rawMaterial?->unit;

        if ($unit === null) {
            return null;
        }

        return $unit->toCm((float) $this->remaining_material);
    }

    public function materialCost(): int
    {
        $price = $this->rawMaterialPrice;

        if ($price === null) {
            return 0;
        }

        return (int) round((float) $this->material_usage * (int) $price->price);
    }

    private function formatCmQuantity(float|string|null $value): ?string
    {
        $unit = $this->rawMaterialPrice?->rawMaterial?->unit;

        if ($unit === null) {
            return null;
        }

        if (! $unit->usesLengthUnit()) {
            return $this->formatQuantity($value);
        }

        $cm = $unit->toCm((float) $value);

        if ($cm === null) {
            return null;
        }

        $formatted = rtrim(rtrim(number_format($cm, 2, ',', '.'), '0'), ',');

        return "{$formatted} cm";
    }

    private function formatCmQuantityInput(float|string|null $value): ?string
    {
        $unit = $this->rawMaterialPrice?->rawMaterial?->unit;

        if ($unit === null) {
            return null;
        }

        if (! $unit->usesLengthUnit()) {
            return $this->formatQuantityInput($value);
        }

        $cm = $unit->toCm((float) $value);

        if ($cm === null) {
            return null;
        }

        return rtrim(rtrim(number_format($cm, 2, '.', ''), '0'), '.');
    }

    private function formatQuantity(float|string|null $value): string
    {
        $formatted = rtrim(rtrim(number_format((float) $value, 2, ',', '.'), '0'), ',');

        return "{$formatted} {$this->unitAbbreviation}";
    }

    private function formatQuantityInput(float|string|null $value): string
    {
        return rtrim(rtrim(number_format((float) $value, 2, '.', ''), '0'), '.');
    }
}