@extends('layouts.app')

@section('content')
<div class="container-fluid">
    <div class="row justify-content-center">
        <div class="col-md-8" style="margin-left: 220px;">
            <div class="d-flex justify-content-between align-items-center mb-4">
                <h2>Edit Project</h2>
                @if(auth()->user()->canProject('view'))
                    <a href="{{ route('projects.index') }}" class="btn btn-secondary">
                        <i class="fas fa-arrow-left"></i> Back to Projects
                    </a>
                @else
                    <a href="{{ route('dashboard') }}" class="btn btn-secondary">
                        <i class="fas fa-arrow-left"></i> Back to Dashboard
                    </a>
                @endif
            </div>

            @if(session('success'))
                <div class="alert alert-success alert-dismissible fade show" role="alert">
                    <i class="fas fa-check-circle"></i> {{ session('success') }}
                    <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
                </div>
            @endif

            @if($errors->any())
                <div class="alert alert-danger">
                    <ul class="mb-0">
                        @foreach($errors->all() as $error)
                            <li>{{ $error }}</li>
                        @endforeach
                    </ul>
                </div>
            @endif

            <div class="card">
                <div class="card-body">
                    <form method="POST" action="{{ route('projects.update', $project) }}">
                        @csrf
                        @method('PUT')
                        
                        <div class="mb-3">
                            <label for="project_name" class="form-label">Project Name</label>
                            <input type="text" class="form-control" id="project_name" name="project_name" 
                                   value="{{ old('project_name', $project->project_name) }}" required>
                        </div>

                        <div class="mb-3">
                            <label for="units" class="form-label">Units</label>
                            @php
                                // Handle existing unit data - could be single string or JSON array
                                $existingUnits = [];
                                if (!empty($project->unit)) {
                                    // Try to decode as JSON first, if that fails treat as single unit
                                    $decoded = json_decode($project->unit, true);
                                    if (json_last_error() === JSON_ERROR_NONE && is_array($decoded)) {
                                        $existingUnits = $decoded;
                                    } else {
                                        $existingUnits = [$project->unit];
                                    }
                                }
                                $selectedUnits = old('units', $existingUnits);
                            @endphp
                            <select class="form-control" id="units" name="units[]" multiple required 
                                    style="height: 120px;">
                                <option value="IRM" {{ in_array('IRM', $selectedUnits) ? 'selected' : '' }}>IRM</option>
                                <option value="STD" {{ in_array('STD', $selectedUnits) ? 'selected' : '' }}>STD</option>
                                <option value="TS" {{ in_array('TS', $selectedUnits) ? 'selected' : '' }}>TS</option>
                                <option value="SS" {{ in_array('SS', $selectedUnits) ? 'selected' : '' }}>SS</option>
                                <option value="HR" {{ in_array('HR', $selectedUnits) ? 'selected' : '' }}>HR</option>
                                <option value="Finance" {{ in_array('Finance', $selectedUnits) ? 'selected' : '' }}>Finance</option>
                                <option value="IT Department" {{ in_array('IT Department', $selectedUnits) ? 'selected' : '' }}>IT Department</option>
                                <option value="Marketing & Sales" {{ in_array('Marketing & Sales', $selectedUnits) ? 'selected' : '' }}>Marketing & Sales</option>
                            </select>
                            <small class="form-text text-muted">
                                <i class="fas fa-info-circle"></i> Hold Ctrl (or Cmd on Mac) to select multiple units
                            </small>
                        </div>

                        <div class="row">
                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="start_date" class="form-label">Start Date</label>
                                    <input type="date" class="form-control" id="start_date" name="start_date" 
                                           value="{{ old('start_date', $project->start_date->format('Y-m-d')) }}" required>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="end_date" class="form-label">End Date</label>
                                    <input type="date" class="form-control" id="end_date" name="end_date" 
                                           value="{{ old('end_date', $project->end_date->format('Y-m-d')) }}" required>
                                </div>
                            </div>
                        </div>

                        <div class="mb-3">
                            <label for="project_value" class="form-label">Project Value (RM)</label>
                            <div class="input-group">
                                <span class="input-group-text">RM</span>
                                <input type="number" class="form-control" id="project_value" name="project_value" 
                                       min="0" step="0.01" value="{{ old('project_value', $project->project_value) }}" required>
                            </div>
                        </div>

                        <div class="d-grid gap-2 d-md-flex justify-content-md-end">
                            <button type="submit" class="btn btn-primary">
                                <i class="fas fa-save"></i> Update Project
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection