@extends('crm.layouts.app')

@section('title', 'Health Questionnaire Analytics')

@section('content')
<div class="space-y-8">
    <!-- Page Header -->
    <div class="content-card">
        <div class="flex items-center justify-between">
            <div>
                <h1 class="text-3xl font-bold text-primary">
                    <i class="fas fa-chart-line mr-3"></i>Health Questionnaire Analytics
                </h1>
                <p class="text-secondary mt-2">Analytics and insights for health questionnaire responses</p>
            </div>
            <a href="{{ route('crm.health-questionnaires.index') }}" class="btn-secondary">
                <i class="fas fa-arrow-left mr-2"></i>Back to Questionnaires
            </a>
        </div>
    </div>

    <!-- Overview Statistics -->
    <div class="grid grid-cols-1 md:grid-cols-4 gap-6">
        <div class="content-card text-center">
            <div class="text-4xl text-blue-400 mb-3">
                <i class="fas fa-clipboard-list"></i>
            </div>
            <div class="text-3xl font-bold text-primary mb-2">{{ $totalResponses }}</div>
            <div class="text-secondary">Total Responses</div>
        </div>

        <div class="content-card text-center">
            <div class="text-4xl text-yellow-400 mb-3">
                <i class="fas fa-clock"></i>
            </div>
            <div class="text-3xl font-bold text-primary mb-2">{{ $pendingResponses }}</div>
            <div class="text-secondary">Pending Reviews</div>
        </div>

        <div class="content-card text-center">
            <div class="text-4xl text-green-400 mb-3">
                <i class="fas fa-check-circle"></i>
            </div>
            <div class="text-3xl font-bold text-primary mb-2">{{ $approvedResponses }}</div>
            <div class="text-secondary">Approved</div>
        </div>

        <div class="content-card text-center">
            <div class="text-4xl text-red-400 mb-3">
                <i class="fas fa-times-circle"></i>
            </div>
            <div class="text-3xl font-bold text-primary mb-2">{{ $rejectedResponses }}</div>
            <div class="text-secondary">Rejected</div>
        </div>
    </div>

    <!-- Risk Distribution -->
    <div class="content-card">
        <h3 class="text-xl font-semibold text-primary mb-6">Health Risk Distribution</h3>
        <div class="grid grid-cols-1 md:grid-cols-4 gap-6">
            <div class="text-center">
                <div class="relative w-24 h-24 mx-auto mb-4">
                    <div class="w-full h-full bg-green-500 rounded-full flex items-center justify-center">
                        <span class="text-white text-xl font-bold">{{ $riskDistribution['low'] }}</span>
                    </div>
                </div>
                <h4 class="font-semibold text-green-400 mb-1">Low Risk</h4>
                <p class="text-xs text-secondary">Health score ≥ 8.0</p>
            </div>

            <div class="text-center">
                <div class="relative w-24 h-24 mx-auto mb-4">
                    <div class="w-full h-full bg-yellow-500 rounded-full flex items-center justify-center">
                        <span class="text-white text-xl font-bold">{{ $riskDistribution['medium'] }}</span>
                    </div>
                </div>
                <h4 class="font-semibold text-yellow-400 mb-1">Medium Risk</h4>
                <p class="text-xs text-secondary">Health score 6.0-7.9</p>
            </div>

            <div class="text-center">
                <div class="relative w-24 h-24 mx-auto mb-4">
                    <div class="w-full h-full bg-orange-500 rounded-full flex items-center justify-center">
                        <span class="text-white text-xl font-bold">{{ $riskDistribution['high'] }}</span>
                    </div>
                </div>
                <h4 class="font-semibold text-orange-400 mb-1">High Risk</h4>
                <p class="text-xs text-secondary">Health score 4.0-5.9</p>
            </div>

            <div class="text-center">
                <div class="relative w-24 h-24 mx-auto mb-4">
                    <div class="w-full h-full bg-red-500 rounded-full flex items-center justify-center">
                        <span class="text-white text-xl font-bold">{{ $riskDistribution['very_high'] }}</span>
                    </div>
                </div>
                <h4 class="font-semibold text-red-400 mb-1">Very High Risk</h4>
                <p class="text-xs text-secondary">Health score < 4.0</p>
            </div>
        </div>
    </div>

    <!-- Monthly Trends -->
    <div class="content-card">
        <h3 class="text-xl font-semibold text-primary mb-6">Monthly Response Trends ({{ date('Y') }})</h3>
        @if($totalResponses > 0)
        <div class="grid grid-cols-12 gap-2 items-end h-64">
            @php
                $months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
                $monthlyArray = $monthlyResponses->toArray();
                $maxResponses = !empty($monthlyArray) ? max(array_values($monthlyArray)) : 1;
                $maxResponses = $maxResponses > 0 ? $maxResponses : 1;
            @endphp

            @foreach($months as $monthIndex => $monthName)
                @php
                    $monthNumber = $monthIndex + 1;
                    $responseCount = $monthlyResponses[$monthNumber] ?? 0;
                    $height = $maxResponses > 0 ? ($responseCount / $maxResponses) * 100 : 0;
                @endphp
                <div class="flex flex-col items-center">
                    <div class="bg-blue-500 rounded-t relative" style="height: {{ $height }}%; min-height: 4px; width: 100%;">
                        @if($responseCount > 0)
                            <div class="absolute -top-6 left-1/2 transform -translate-x-1/2 text-xs text-primary font-semibold">
                                {{ $responseCount }}
                            </div>
                        @endif
                    </div>
                    <div class="text-xs text-secondary mt-2 transform -rotate-45 origin-top-left">
                        {{ $monthName }}
                    </div>
                </div>
            @endforeach
        </div>
        @else
        <div class="text-center py-12">
            <i class="fas fa-chart-line text-6xl text-gray-500 mb-4"></i>
            <h3 class="text-xl font-semibold text-secondary mb-2">No response data available</h3>
            <p class="text-muted">Trends will appear here once clients start submitting health questionnaires</p>
        </div>
        @endif
    </div>

    <!-- Questionnaire Performance -->
    <div class="content-card">
        <h3 class="text-xl font-semibold text-primary mb-6">Questionnaire Performance</h3>
        <div class="overflow-x-auto">
            <table class="w-full">
                <thead>
                    <tr class="border-b border-gray-600">
                        <th class="text-left py-3 px-4 font-semibold text-secondary">Questionnaire</th>
                        <th class="text-center py-3 px-4 font-semibold text-secondary">Total Responses</th>
                        <th class="text-center py-3 px-4 font-semibold text-secondary">Completion Rate</th>
                        <th class="text-center py-3 px-4 font-semibold text-secondary">Avg Health Score</th>
                        <th class="text-center py-3 px-4 font-semibold text-secondary">Pending Reviews</th>
                        <th class="text-center py-3 px-4 font-semibold text-secondary">Status</th>
                    </tr>
                </thead>
                <tbody>
                    @forelse($questionnaires as $questionnaire)
                    <tr class="border-b border-gray-700 hover:bg-gray-700 transition-colors">
                        <td class="py-3 px-4">
                            <div class="font-semibold text-primary">{{ $questionnaire->title }}</div>
                            @if($questionnaire->description)
                                <div class="text-secondary text-sm">{{ Str::limit($questionnaire->description, 50) }}</div>
                            @endif
                        </td>
                        <td class="text-center py-3 px-4">
                            <span class="badge badge-info">{{ $questionnaire->responses_count }}</span>
                        </td>
                        <td class="text-center py-3 px-4">
                            @php
                                $completionRate = $questionnaire->getCompletionRate();
                                $completionColor = $completionRate >= 80 ? 'text-green-400' : ($completionRate >= 60 ? 'text-yellow-400' : 'text-red-400');
                            @endphp
                            <span class="{{ $completionColor }} font-semibold">{{ number_format($completionRate, 1) }}%</span>
                        </td>
                        <td class="text-center py-3 px-4">
                            @php
                                $avgScore = $questionnaire->getAverageHealthScore();
                                $scoreColor = $avgScore >= 8 ? 'text-green-400' : ($avgScore >= 6 ? 'text-yellow-400' : 'text-red-400');
                            @endphp
                            <span class="{{ $scoreColor }} font-semibold">{{ number_format($avgScore, 1) }}</span>
                        </td>
                        <td class="text-center py-3 px-4">
                            @php
                                $pendingCount = $questionnaire->getPendingApprovals();
                            @endphp
                            @if($pendingCount > 0)
                                <span class="badge badge-warning">{{ $pendingCount }}</span>
                            @else
                                <span class="badge badge-light">0</span>
                            @endif
                        </td>
                        <td class="text-center py-3 px-4">
                            @if($questionnaire->is_active)
                                <span class="badge badge-success">Active</span>
                            @else
                                <span class="badge badge-secondary">Inactive</span>
                            @endif
                        </td>
                    </tr>
                    @empty
                    <tr>
                        <td colspan="6" class="text-center py-12">
                            <div class="text-center">
                                <i class="fas fa-clipboard-list text-6xl text-gray-500 mb-4"></i>
                                <h3 class="text-xl font-semibold text-secondary mb-2">No questionnaires found</h3>
                                <p class="text-muted">Create your first questionnaire to see analytics</p>
                            </div>
                        </td>
                    </tr>
                    @endforelse
                </tbody>
            </table>
        </div>
    </div>

    <!-- Key Insights -->
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-8">
        <div class="content-card">
            <h3 class="text-xl font-semibold text-primary mb-4">Key Insights</h3>
            <div class="space-y-4">
                @php
                    $totalCalculatedResponses = $approvedResponses + $rejectedResponses + $pendingResponses;
                    $approvalRate = $totalCalculatedResponses > 0 ? ($approvedResponses / $totalCalculatedResponses) * 100 : 0;
                    $riskTotal = array_sum($riskDistribution);
                    $highRiskPercentage = $riskTotal > 0 ? (($riskDistribution['high'] + $riskDistribution['very_high']) / $riskTotal) * 100 : 0;
                @endphp

                <div class="flex items-center justify-between p-3 bg-gray-750 rounded-lg">
                    <div>
                        <span class="text-secondary">Approval Rate</span>
                        <div class="text-lg font-semibold text-primary">{{ number_format($approvalRate, 1) }}%</div>
                    </div>
                    <div class="text-2xl {{ $approvalRate >= 80 ? 'text-green-400' : ($approvalRate >= 60 ? 'text-yellow-400' : 'text-red-400') }}">
                        <i class="fas fa-check-circle"></i>
                    </div>
                </div>

                <div class="flex items-center justify-between p-3 bg-gray-750 rounded-lg">
                    <div>
                        <span class="text-secondary">High Risk Clients</span>
                        <div class="text-lg font-semibold text-primary">{{ number_format($highRiskPercentage, 1) }}%</div>
                    </div>
                    <div class="text-2xl {{ $highRiskPercentage <= 10 ? 'text-green-400' : ($highRiskPercentage <= 25 ? 'text-yellow-400' : 'text-red-400') }}">
                        <i class="fas fa-exclamation-triangle"></i>
                    </div>
                </div>

                <div class="flex items-center justify-between p-3 bg-gray-750 rounded-lg">
                    <div>
                        <span class="text-secondary">Pending Reviews</span>
                        <div class="text-lg font-semibold text-primary">{{ $pendingResponses }}</div>
                    </div>
                    <div class="text-2xl {{ $pendingResponses <= 5 ? 'text-green-400' : ($pendingResponses <= 15 ? 'text-yellow-400' : 'text-red-400') }}">
                        <i class="fas fa-clock"></i>
                    </div>
                </div>
            </div>
        </div>

        <div class="content-card">
            <h3 class="text-xl font-semibold text-primary mb-4">Recommendations</h3>
            <div class="space-y-3">
                @if($pendingResponses > 10)
                    <div class="p-3 bg-yellow-900 border-l-4 border-yellow-500 rounded-r-lg">
                        <div class="flex items-start">
                            <i class="fas fa-exclamation-triangle text-yellow-400 mt-1 mr-3"></i>
                            <div>
                                <h4 class="font-semibold text-yellow-400">Review Backlog</h4>
                                <p class="text-secondary text-sm">You have {{ $pendingResponses }} pending reviews. Consider reviewing them promptly.</p>
                            </div>
                        </div>
                    </div>
                @endif

                @if($highRiskPercentage > 25)
                    <div class="p-3 bg-red-900 border-l-4 border-red-500 rounded-r-lg">
                        <div class="flex items-start">
                            <i class="fas fa-exclamation-triangle text-red-400 mt-1 mr-3"></i>
                            <div>
                                <h4 class="font-semibold text-red-400">High Risk Alert</h4>
                                <p class="text-secondary text-sm">{{ number_format($highRiskPercentage, 1) }}% of clients are high or very high risk. Consider additional screening.</p>
                            </div>
                        </div>
                    </div>
                @endif

                @if($approvalRate < 70)
                    <div class="p-3 bg-orange-900 border-l-4 border-orange-500 rounded-r-lg">
                        <div class="flex items-start">
                            <i class="fas fa-chart-line text-orange-400 mt-1 mr-3"></i>
                            <div>
                                <h4 class="font-semibold text-orange-400">Low Approval Rate</h4>
                                <p class="text-secondary text-sm">Consider reviewing questionnaire criteria or providing client guidance.</p>
                            </div>
                        </div>
                    </div>
                @endif

                @if($pendingResponses <= 5 && $highRiskPercentage <= 15 && $approvalRate >= 80)
                    <div class="p-3 bg-green-900 border-l-4 border-green-500 rounded-r-lg">
                        <div class="flex items-start">
                            <i class="fas fa-check-circle text-green-400 mt-1 mr-3"></i>
                            <div>
                                <h4 class="font-semibold text-green-400">Excellent Performance</h4>
                                <p class="text-secondary text-sm">Your health questionnaire system is performing well with low risk clients and timely reviews.</p>
                            </div>
                        </div>
                    </div>
                @endif
            </div>
        </div>
    </div>
</div>
@endsection