<?php

namespace Tests\Unit;

use App\Module\Farm\Models\FarmHouseConfig;
use PHPUnit\Framework\TestCase;
use Illuminate\Foundation\Testing\RefreshDatabase;

/**
 * 房屋产出加成测试
 *
 * 验证房屋等级产出加成的数据一致性和计算正确性
 */
class HouseOutputBonusTest extends TestCase
{
    use RefreshDatabase;

    /**
     * 测试房屋配置数据的正确性
     */
    public function testHouseConfigDataConsistency()
    {
        // 期望的房屋等级产出加成配置（百分比值）
        $expectedConfigs = [
            1 => 0,   // 0%
            2 => 5,   // 5%
            3 => 10,  // 10%
            4 => 15,  // 15%
            5 => 20,  // 20%
            6 => 25,  // 25%
            7 => 30,  // 30%
            8 => 35,  // 35%
            9 => 40,  // 40%
            10 => 45, // 45%
            11 => 50, // 50%
            12 => 60, // 60%
        ];

        foreach ($expectedConfigs as $level => $expectedBonus) {
            $config = FarmHouseConfig::where('level', $level)->first();

            $this->assertNotNull($config, "房屋等级 {$level} 的配置不存在");
            $this->assertEquals(
                $expectedBonus,
                (float)$config->output_bonus,
                "房屋等级 {$level} 的产出加成应该是 {$expectedBonus}，实际是 {$config->output_bonus}"
            );
        }
    }

    /**
     * 测试产出加成计算逻辑
     */
    public function testOutputBonusCalculation()
    {
        // 测试用例：基础产量1000，不同房屋等级的最终产量
        $baseOutput = 1000;
        $testCases = [
            1 => 1000,  // 1000 * (1 + 0.00) = 1000
            2 => 1050,  // 1000 * (1 + 0.05) = 1050
            3 => 1100,  // 1000 * (1 + 0.10) = 1100
            4 => 1150,  // 1000 * (1 + 0.15) = 1150
            5 => 1200,  // 1000 * (1 + 0.20) = 1200
            6 => 1250,  // 1000 * (1 + 0.25) = 1250
            7 => 1300,  // 1000 * (1 + 0.30) = 1300
            8 => 1350,  // 1000 * (1 + 0.35) = 1350
            9 => 1400,  // 1000 * (1 + 0.40) = 1400
            10 => 1450, // 1000 * (1 + 0.45) = 1450
            11 => 1500, // 1000 * (1 + 0.50) = 1500
            12 => 1600, // 1000 * (1 + 0.60) = 1600
        ];

        foreach ($testCases as $level => $expectedOutput) {
            $config = FarmHouseConfig::where('level', $level)->first();
            $actualOutput = (int)($baseOutput * (1 + ($config->output_bonus / 100))); // 将百分比值转换为小数

            $this->assertEquals(
                $expectedOutput,
                $actualOutput,
                "房屋等级 {$level}，基础产量 {$baseOutput}，期望最终产量 {$expectedOutput}，实际计算结果 {$actualOutput}"
            );
        }
    }

    /**
     * 测试百分比显示格式
     */
    public function testPercentageDisplayFormat()
    {
        $testCases = [
            1 => '0%',
            2 => '5%',
            3 => '10%',
            4 => '15%',
            5 => '20%',
            6 => '25%',
            7 => '30%',
            8 => '35%',
            9 => '40%',
            10 => '45%',
            11 => '50%',
            12 => '60%',
        ];

        foreach ($testCases as $level => $expectedPercentage) {
            $config = FarmHouseConfig::where('level', $level)->first();
            $actualPercentage = round($config->output_bonus) . '%'; // 直接使用百分比值

            $this->assertEquals(
                $expectedPercentage,
                $actualPercentage,
                "房屋等级 {$level} 的百分比显示应该是 {$expectedPercentage}，实际是 {$actualPercentage}"
            );
        }
    }

    /**
     * 测试复合加成计算（土地+房屋+灾害）
     */
    public function testComplexBonusCalculation()
    {
        $baseOutput = 1000;
        $landBonus = 0.25;      // 土地25%加成
        $houseLevel = 7;        // 房屋7级30%加成
        $disasterPenalty = 0.10; // 灾害10%减产

        $config = FarmHouseConfig::where('level', $houseLevel)->first();
        $houseBonus = $config->output_bonus / 100; // 将百分比值转换为小数

        // 计算最终产量：基础产量 × (1 + 土地加成) × (1 + 房屋加成) × (1 - 灾害减产)
        $expectedOutput = (int)($baseOutput * (1 + $landBonus) * (1 + $houseBonus) * (1 - $disasterPenalty));

        // 手动计算验证：1000 * 1.25 * 1.30 * 0.90 = 1462.5 -> 1462
        $manualCalculation = (int)(1000 * 1.25 * 1.30 * 0.90);

        $this->assertEquals(1462, $manualCalculation, "手动计算结果应该是1462");
        $this->assertEquals($manualCalculation, $expectedOutput, "复合加成计算结果不正确");
    }

    /**
     * 测试边界情况
     */
    public function testEdgeCases()
    {
        // 测试最低等级（无加成）
        $level1Config = FarmHouseConfig::where('level', 1)->first();
        $this->assertEquals(0.00, (float)$level1Config->output_bonus, "等级1应该没有产出加成");

        // 测试最高等级
        $level12Config = FarmHouseConfig::where('level', 12)->first();
        $this->assertEquals(0.60, (float)$level12Config->output_bonus, "等级12应该有60%产出加成");

        // 测试不存在的等级
        $nonExistentConfig = FarmHouseConfig::where('level', 99)->first();
        $this->assertNull($nonExistentConfig, "不存在的等级应该返回null");
    }
}