<?php

namespace App\Filament\Pages;

use App\Services\LearningAnalyticsService;
use BackedEnum;
use Filament\Pages\Page;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use UnitEnum;
use Livewire\Attributes\Layout;
use Livewire\Attributes\Title;

class StudentDashboard extends Page
{
    use \Filament\Pages\Concerns\InteractsWithFormActions;

    protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-chart-bar';

    protected static string|UnitEnum|null $navigationGroup = '学习分析';

    protected static ?string $navigationLabel = '学生仪表板';

    protected static ?int $navigationSort = 1;

    protected ?string $heading = '学生仪表板';

    protected string $view = 'filament.pages.student-dashboard';

    public string $studentId = '';
    public array $dashboardData = [];
    public bool $isLoading = false;
    public string $errorMessage = '';

    public function mount(Request $request): void
    {
        // 从请求中获取学生ID或使用默认值
        $this->studentId = $request->input('student_id', 'student_001');
    }

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

        try {
            $service = new LearningAnalyticsService();

            // 检查服务健康状态
            if (!$service->checkHealth()) {
                $this->errorMessage = '学习分析系统当前不可用，请稍后重试';
                $this->isLoading = false;
                return;
            }

            // 获取各项数据
            $masteryOverview = $service->getStudentMasteryOverview($this->studentId);
            $skillProficiency = $service->getStudentSkillProficiency($this->studentId);
            $skillSummary = $service->getStudentSkillSummary($this->studentId);
            $predictions = $service->getStudentPredictions($this->studentId, 5);
            $learningPaths = $service->getStudentLearningPaths($this->studentId, 3);
            $predictionAnalytics = $service->getPredictionAnalytics($this->studentId);
            $pathAnalytics = $service->getLearningPathAnalytics($this->studentId);
            $quickPrediction = $service->quickScorePrediction($this->studentId);
            $recommendations = $service->recommendLearningPaths($this->studentId, 3);

            // 组合数据
            $this->dashboardData = [
                'mastery' => [
                    'overview' => $masteryOverview,
                    'list' => $service->getStudentMasteryList($this->studentId),
                ],
                'skill' => [
                    'proficiency' => $skillProficiency,
                    'summary' => $skillSummary,
                ],
                'prediction' => [
                    'list' => $predictions,
                    'analytics' => $predictionAnalytics,
                    'quick' => $quickPrediction,
                ],
                'learning_path' => [
                    'list' => $learningPaths,
                    'analytics' => $pathAnalytics,
                    'recommendations' => $recommendations,
                ],
            ];

        } catch (\Exception $e) {
            $this->errorMessage = '加载数据时发生错误：' . $e->getMessage();
            Log::error('学生仪表板数据加载失败', [
                'student_id' => $this->studentId,
                'error' => $e->getMessage()
            ]);
        } finally {
            $this->isLoading = false;
        }
    }

    public function updatedStudentId(): void
    {
        // 学生ID更新后自动刷新数据
        $this->loadDashboardData();
    }

    public function recalculateMastery(string $kpCode): void
    {
        try {
            $service = new LearningAnalyticsService();
            $result = $service->recalculateMastery($this->studentId, $kpCode);

            if ($result) {
                $this->dispatch('notify', message: '掌握度重新计算完成', type: 'success');
                $this->loadDashboardData(); // 刷新数据
            } else {
                $this->dispatch('notify', message: '掌握度重新计算失败', type: 'danger');
            }
        } catch (\Exception $e) {
            Log::error('重新计算掌握度失败', [
                'student_id' => $this->studentId,
                'kp_code' => $kpCode,
                'error' => $e->getMessage()
            ]);
            $this->dispatch('notify', message: '操作失败：' . $e->getMessage(), type: 'danger');
        }
    }

    public function batchUpdateSkills(): void
    {
        try {
            $service = new LearningAnalyticsService();
            $result = $service->batchUpdateSkillProficiency($this->studentId);

            if ($result) {
                $this->dispatch('notify', message: '技能熟练度更新完成', type: 'success');
                $this->loadDashboardData(); // 刷新数据
            } else {
                $this->dispatch('notify', message: '技能熟练度更新失败', type: 'danger');
            }
        } catch (\Exception $e) {
            Log::error('批量更新技能熟练度失败', [
                'student_id' => $this->studentId,
                'error' => $e->getMessage()
            ]);
            $this->dispatch('notify', message: '操作失败：' . $e->getMessage(), type: 'danger');
        }
    }

    public function generateQuickPrediction(): void
    {
        try {
            $service = new LearningAnalyticsService();
            $result = $service->quickScorePrediction($this->studentId);

            if ($result) {
                $this->dispatch('notify', message: '快速预测生成完成', type: 'success');
                $this->loadDashboardData(); // 刷新数据
            } else {
                $this->dispatch('notify', message: '快速预测生成失败', type: 'danger');
            }
        } catch (\Exception $e) {
            Log::error('生成快速预测失败', [
                'student_id' => $this->studentId,
                'error' => $e->getMessage()
            ]);
            $this->dispatch('notify', message: '操作失败：' . $e->getMessage(), type: 'danger');
        }
    }
}