<?php

namespace App\Livewire;

use App\Services\LearningAnalyticsService;
use Livewire\Component;

class SkillProficiencyRadar extends Component
{
    public string $studentId = '';
    public array $radarData = [];
    public bool $isLoading = false;
    public string $errorMessage = '';

    public function mount(string $studentId): void
    {
        $this->studentId = $studentId;
        $this->loadRadarData();
    }

    public function loadRadarData(): void
    {
        $this->isLoading = true;
        $this->errorMessage = '';

        try {
            $service = new LearningAnalyticsService();
            $skillProficiency = $service->getStudentSkillProficiency($this->studentId);

            if ($skillProficiency && isset($skillProficiency['data'])) {
                $this->radarData = $this->processRadarData($skillProficiency['data']);
            } else {
                $this->radarData = [];
            }
        } catch (\Exception $e) {
            $this->errorMessage = '加载雷达图数据失败：' . $e->getMessage();
            $this->radarData = [];
        } finally {
            $this->isLoading = false;
        }
    }

    /**
     * 处理雷达图数据
     */
    private function processRadarData(array $skillData): array
    {
        $processedData = [];
        $maxValue = 1.0; // 技能熟练度最大值为1

        foreach ($skillData as $skill) {
            $processedData[] = [
                'skill_name' => $skill['skill_name'],
                'proficiency_level' => $skill['proficiency_level'],
                'skill_level' => $skill['skill_level'],
                'total_questions_attempted' => $skill['total_questions_attempted'],
                'simple_accuracy' => $skill['simple_accuracy'] ?? 0,
                'intermediate_accuracy' => $skill['intermediate_accuracy'] ?? 0,
                'advanced_accuracy' => $skill['advanced_accuracy'] ?? 0,
                'practice_streak' => $skill['practice_streak'] ?? 0,
                'max_value' => $maxValue,
            ];
        }

        return [
            'data' => $processedData,
            'max_value' => $maxValue,
        ];
    }

    /**
     * 获取技能等级颜色
     */
    public function getSkillLevelColor(string $skillLevel): string
    {
        return match ($skillLevel) {
            'beginner' => '#ef4444',    // 红色 - 初学者
            'elementary' => '#f97316',  // 橙色 - 入门
            'intermediate' => '#eab308', // 黄色 - 进阶
            'advanced' => '#22c55e',    // 绿色 - 熟练
            'proficient' => '#3b82f6',  // 蓝色 - 精通
            default => '#9ca3af',       // 灰色 - 未知
        };
    }

    /**
     * 获取技能等级中文名称
     */
    public function getSkillLevelName(string $skillLevel): string
    {
        return match ($skillLevel) {
            'beginner' => '初学者',
            'elementary' => '入门',
            'intermediate' => '进阶',
            'advanced' => '熟练',
            'proficient' => '精通',
            default => '未知',
        };
    }

    /**
     * 获取难度标签
     */
    public function getDifficultyLabel(string $difficulty): string
    {
        return match ($difficulty) {
            'simple' => '简单',
            'intermediate' => '中等',
            'advanced' => '困难',
            default => $difficulty,
        };
    }

    public function render()
    {
        return view('livewire.skill-proficiency-radar');
    }
}