<?php

namespace Database\Factories;

use App\Models\Bucket;
use App\Models\Scenario;
use Illuminate\Database\Eloquent\Factories\Factory;

/**
 * @extends Factory<Bucket>
 */
class BucketFactory extends Factory
{
    public function definition(): array
    {
        $allocationType = $this->faker->randomElement([
            Bucket::TYPE_FIXED_LIMIT,
            Bucket::TYPE_PERCENTAGE,
            Bucket::TYPE_UNLIMITED,
        ]);

        return [
            'scenario_id' => Scenario::factory(),
            'name' => $this->faker->randomElement([
                'Monthly Expenses',
                'Emergency Fund',
                'Investments',
                'Vacation Fund',
                'Car Maintenance',
                'Home Repairs',
                'Health & Medical',
                'Education',
                'Entertainment',
                'Groceries',
                'Clothing',
                'Gifts',
            ]),
            'priority' => $this->faker->numberBetween(1, 10),
            'sort_order' => $this->faker->numberBetween(0, 10),
            'allocation_type' => $allocationType,
            'allocation_value' => $this->getAllocationValueForType($allocationType),
        ];
    }

    /**
     * Create a fixed limit bucket.
     */
    public function fixedLimit($amount = null): Factory
    {
        $amount = $amount ?? $this->faker->numberBetween(500, 5000);
        
        return $this->state([
            'allocation_type' => Bucket::TYPE_FIXED_LIMIT,
            'allocation_value' => $amount,
        ]);
    }

    /**
     * Create a percentage bucket.
     */
    public function percentage($percentage = null): Factory
    {
        $percentage = $percentage ?? $this->faker->numberBetween(10, 50);
        
        return $this->state([
            'allocation_type' => Bucket::TYPE_PERCENTAGE,
            'allocation_value' => $percentage,
        ]);
    }

    /**
     * Create an unlimited bucket.
     */
    public function unlimited(): Factory
    {
        return $this->state([
            'allocation_type' => Bucket::TYPE_UNLIMITED,
            'allocation_value' => null,
        ]);
    }

    /**
     * Create default buckets set (Monthly Expenses, Emergency Fund, Investments).
     */
    public function defaultSet(): array
    {
        return [
            $this->state([
                'name' => 'Monthly Expenses',
                'priority' => 1,
                'sort_order' => 1,
                'allocation_type' => Bucket::TYPE_FIXED_LIMIT,
                'allocation_value' => 0,
            ]),
            $this->state([
                'name' => 'Emergency Fund',
                'priority' => 2,
                'sort_order' => 2,
                'allocation_type' => Bucket::TYPE_FIXED_LIMIT,
                'allocation_value' => 0,
            ]),
            $this->state([
                'name' => 'Investments',
                'priority' => 3,
                'sort_order' => 3,
                'allocation_type' => Bucket::TYPE_UNLIMITED,
                'allocation_value' => null,
            ]),
        ];
    }

    /**
     * Get allocation value based on type.
     */
    private function getAllocationValueForType(string $type): ?float
    {
        return match($type) {
            Bucket::TYPE_FIXED_LIMIT => $this->faker->numberBetween(100, 10000),
            Bucket::TYPE_PERCENTAGE => $this->faker->numberBetween(5, 50),
            Bucket::TYPE_UNLIMITED => null,
        };
    }
}