@extends('layouts.admin')

@section('title', 'Edit Exercise Chart')

@section('breadcrumb')
<li class="breadcrumb-item"><a href="{{ route('admin.dashboard') }}">Home</a></li>
<li class="breadcrumb-item"><a href="{{ route('admin.exercise-charts.index') }}">Exercise Charts</a></li>
<li class="breadcrumb-item active">Edit</li>
@endsection

@section('content')
<div class="container-fluid">
    <form action="{{ route('admin.exercise-charts.update', $exerciseChart) }}" method="POST">
        @csrf
        @method('PUT')
        
        <div class="row">
            <div class="col-md-12">
                <div class="card card-primary">
                    <div class="card-header">
                        <h3 class="card-title">Chart Details</h3>
                    </div>
                    <div class="card-body">
                            <div class="row">
                                <div class="col-md-6">
                                    <div class="form-group">
                                        <label>Assigned User</label>
                                        <input type="text" class="form-control" value="{{ $exerciseChart->user->name ?? 'Template' }}" disabled>
                                    </div>
                                </div>
                                <div class="col-md-6">
                                    <div class="form-group">
                                        <label for="title">Chart Title</label>
                                        <input type="text" name="title" class="form-control @error('title') is-invalid @enderror" id="title" value="{{ old('title', $exerciseChart->title) }}" required>
                                        @error('title')
                                            <span class="invalid-feedback">{{ $message }}</span>
                                        @enderror
                                    </div>
                                </div>
                            </div>
                            
                            <div class="form-group">
                                <label for="notes">Notes/Instructions</label>
                                <textarea name="notes" class="form-control @error('notes') is-invalid @enderror" id="notes" rows="2">{{ old('notes', $exerciseChart->notes) }}</textarea>
                            </div>

                            <div class="form-group">
                                <div class="custom-control custom-switch">
                                    <input type="checkbox" class="custom-control-input" id="is_active" name="is_active" value="1" {{ old('is_active', $exerciseChart->is_active) ? 'checked' : '' }}>
                                    <label class="custom-control-label" for="is_active">Active</label>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="row">
                <div class="col-12">
                    <div class="card card-success">
                        <div class="card-header">
                            <h3 class="card-title">Weekly Exercise Plan</h3>
                        </div>
                        <div class="card-body">
                            @php
                                $days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'];
                            @endphp

                            <div id="accordion">
                                @foreach($days as $index => $day)
                                <div class="card card-outline card-secondary mb-2">
                                    <div class="card-header" id="heading{{ $day }}">
                                        <h5 class="mb-0">
                                            <button type="button" class="btn btn-link" data-toggle="collapse" data-target="#collapse{{ $day }}" aria-expanded="true" aria-controls="collapse{{ $day }}">
                                                {{ $day }}
                                            </button>
                                            <button type="button" class="btn btn-sm btn-success float-right add-exercise" data-day="{{ $day }}">
                                                <i class="fas fa-plus"></i> Add Exercise
                                            </button>
                                        </h5>
                                    </div>

                                    <div id="collapse{{ $day }}" class="collapse {{ $index === 0 ? 'show' : '' }}" aria-labelledby="heading{{ $day }}" data-parent="#accordion">
                                        <div class="card-body exercise-container" data-day="{{ $day }}">
                                            @php
                                                $dayExercises = $exerciseChart->items->where('day', $day);
                                                $count = 0;
                                            @endphp

                                            @if($dayExercises->count() > 0)
                                                @foreach($dayExercises as $item)
                                                    @include('admin.exercise_charts._exercise_row', ['day' => $day, 'index' => $count++, 'item' => $item])
                                                @endforeach
                                            @endif
                                            
                                            <!-- Empty state/Placeholder if no exercises -->
                                            @if($dayExercises->count() === 0)
                                                <div class="text-center text-muted no-exercises-msg py-3">No exercises added for {{ $day }} yet.</div>
                                            @endif
                                        </div>
                                    </div>
                                </div>
                                @endforeach
                            </div>

                        </div>
                        <div class="card-footer">
                            <button type="submit" class="btn btn-success btn-lg btn-block">Save Changes</button>
                        </div>
                    </div>
                </div>
            </div>
    </form>
</div>

<!-- Template for new row -->
<template id="exercise-row-template">
    <div class="exercise-row border-bottom pb-3 mb-3">
        <div class="d-flex justify-content-between align-items-center mb-2">
            <h6 class="text-info font-weight-bold">Exercise #<span class="exercise-number"></span></h6>
            <button type="button" class="btn btn-tool text-danger remove-exercise" title="Remove">
                <i class="fas fa-trash"></i>
            </button>
        </div>
        <div class="row">
            <div class="col-md-4">
                <div class="form-group mb-1">
                    <label class="small text-muted">Exercise Name</label>
                    <input type="text" class="form-control form-control-sm" name="exercises[DAY][INDEX][name]" placeholder="e.g. Bench Press" required>
                </div>
            </div>
            <div class="col-md-2">
                <div class="form-group mb-1">
                    <label class="small text-muted">Sets</label>
                    <input type="text" class="form-control form-control-sm" name="exercises[DAY][INDEX][sets]" placeholder="e.g. 3">
                </div>
            </div>
            <div class="col-md-2">
                <div class="form-group mb-1">
                    <label class="small text-muted">Reps</label>
                    <input type="text" class="form-control form-control-sm" name="exercises[DAY][INDEX][reps]" placeholder="e.g. 10-12">
                </div>
            </div>
            <div class="col-md-2">
                <div class="form-group mb-1">
                    <label class="small text-muted">Time/Duration</label>
                    <input type="text" class="form-control form-control-sm" name="exercises[DAY][INDEX][time]" placeholder="e.g. 10 min">
                </div>
            </div>
            <div class="col-md-12 mt-2">
                <div class="form-group mb-0">
                    <input type="text" class="form-control form-control-sm" name="exercises[DAY][INDEX][notes]" placeholder="Notes (optional)">
                </div>
            </div>
        </div>
    </div>
</template>

@push('scripts')
<script>
    $(document).ready(function() {
        let counters = {};
        
        // Initialize counters for each day
        @foreach($days as $day)
            counters['{{ $day }}'] = {{ $exerciseChart->items->where('day', $day)->count() }};
        @endforeach

        $('.add-exercise').click(function(e) {
            e.preventDefault(); // Prevent default action
            e.stopPropagation(); // Stop event bubbling

            const day = $(this).data('day');
            const container = $(`.exercise-container[data-day="${day}"]`);
            const template = $('#exercise-row-template').html();
            
            // Ensure counter exists
            if (!counters[day]) {
                counters[day] = 0;
            }
            const index = counters[day]++;
            
            // Open the accordion if closed
            $(`#collapse${day}`).collapse('show');

            // Remove "no exercises" message
            container.find('.no-exercises-msg').remove();
            
            let rowHtml = template
                .replace(/DAY/g, day)
                .replace(/INDEX/g, index);
            
            const $row = $(rowHtml);
            $row.find('.exercise-number').text(index + 1);
            
            container.append($row);
        });

        $(document).on('click', '.remove-exercise', function() {
            $(this).closest('.exercise-row').remove();
        });
    });
</script>
@endpush
@endsection