@extends('layouts.app')

@section('title', 'IPCC Dönüştürücü')

@section('content')
<div class="d-flex justify-content-between align-items-center pt-3 pb-2 mb-3 border-bottom">
    <h1 class="h2"><i class="bi bi-lightning me-2 text-primary"></i> IPCC Dönüştürücü</h1>
    <div class="btn-group">
        <a href="{{ route('admin.emission-factors.index') }}" class="btn btn-outline-secondary"><i class="bi bi-arrow-left me-1"></i> Emisyon Faktörlerine Dön</a>
    </div>
</div>

<div class="row g-3">
    <div class="col-lg-5">
        <div class="card h-100">
            <div class="card-header">Parametreler</div>
            <div class="card-body">
                <form method="POST" action="{{ route('admin.ipcc-converter.preview') }}" class="row g-3">
                    @csrf
                    <div class="col-12">
                        <label class="form-label">GWP Versiyonu <span class="text-danger">*</span></label>
                        <select name="gwp_version" class="form-select @error('gwp_version') is-invalid @enderror" required>
                            @foreach(($gwpVersions ?? ['AR4','AR5','AR6']) as $ver)
                                <option value="{{ $ver }}" @selected(old('gwp_version','AR6')===$ver)>{{ $ver }}</option>
                            @endforeach
                        </select>
                        @error('gwp_version')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>
                    <div class="col-6">
                        <label class="form-label">Ülke</label>
                        <input name="country" class="form-control @error('country') is-invalid @enderror" value="{{ old('country','TR') }}" placeholder="TR">
                        @error('country')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>
                    <div class="col-6">
                        <label class="form-label">Yıl</label>
                        <input type="number" name="year" class="form-control @error('year') is-invalid @enderror" value="{{ old('year', now()->year) }}">
                        @error('year')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>
                    <div class="col-12">
                        <label class="form-label">Grid Emisyon Faktörü (kgCO₂/kWh)</label>
                        <input type="number" step="0.000001" name="grid_ef" class="form-control @error('grid_ef') is-invalid @enderror" value="{{ old('grid_ef') }}">
                        @error('grid_ef')<div class="invalid-feedback">{{ $message }}</div>@enderror
                        <div class="form-text">Şebeke elektrik için doğrudan değer girebilir ya da aşağıdaki karışımı kullanabilirsiniz (boş bırakırsanız karışımdan türetilir).</div>
                    </div>
                    <div class="col-12">
                        <label class="form-label">Şebeke Karışımı (%)</label>
                        <div class="row g-2">
                            <div class="col-4">
                                <div class="input-group">
                                    <span class="input-group-text">Kömür</span>
                                    <input type="number" step="0.01" min="0" max="100" name="mix_coal" class="form-control" value="{{ old('mix_coal', 35) }}">
                                    <span class="input-group-text">%</span>
                                </div>
                            </div>
                            <div class="col-4">
                                <div class="input-group">
                                    <span class="input-group-text">Doğalgaz</span>
                                    <input type="number" step="0.01" min="0" max="100" name="mix_gas" class="form-control" value="{{ old('mix_gas', 30) }}">
                                    <span class="input-group-text">%</span>
                                </div>
                            </div>
                            <div class="col-4">
                                <div class="input-group">
                                    <span class="input-group-text">Yenilenebilir</span>
                                    <input type="number" step="0.01" min="0" max="100" name="mix_renew" class="form-control" value="{{ old('mix_renew', 35) }}">
                                    <span class="input-group-text">%</span>
                                </div>
                            </div>
                        </div>
                        <div class="form-text">Yüzdelerin toplamı otomatik normalize edilir.</div>
                    </div>
                    <div class="col-12">
                        <label class="form-label">Dahil Edilecek Kalemler</label>
                        @php($opts = [
                            'electricity' => 'Elektrik (Şebeke)',
                            'natural_gas' => 'Doğalgaz',
                            'diesel' => 'Dizel',
                            'gasoline' => 'Benzin',
                            'lpg' => 'LPG',
                            'coal' => 'Kömür (Taşkömürü)',
                        ])
                        <div class="row g-2">
                            @foreach($opts as $key=>$label)
                            <div class="col-6">
                                <div class="form-check">
                                    <input class="form-check-input" type="checkbox" name="include[]" value="{{ $key }}" id="inc_{{ $key }}" {{ in_array($key, old('include', array_keys($opts))) ? 'checked' : '' }}>
                                    <label class="form-check-label" for="inc_{{ $key }}">{{ $label }}</label>
                                </div>
                            </div>
                            @endforeach
                        </div>
                    </div>
                    <div class="col-12 d-flex justify-content-end gap-2">
                        <button class="btn btn-primary" type="submit"><i class="bi bi-eye me-1"></i> Önizle</button>
                    </div>
                </form>
            </div>
        </div>
    </div>
    <div class="col-lg-7">
        <div class="card h-100">
            <div class="card-header">Önizleme</div>
            <div class="card-body">
                @php($preview = session('preview_factors'))
                @if($preview)
                    @if(session('grid_ef_effective'))
                        <div class="alert alert-info py-2 d-flex justify-content-between align-items-center">
                            <div>
                                <strong>Türetilen Grid EF:</strong> {{ number_format(session('grid_ef_effective'), 6) }} kgCO₂/kWh
                            </div>
                            <span class="badge bg-secondary">Girdi: {{ old('grid_ef') ? 'Manuel' : 'Karışımdan' }}</span>
                        </div>
                    @endif
                    <form method="POST">
                        @csrf
                        <input type="hidden" name="gwp_version" value="{{ old('gwp_version','AR6') }}">
                        <input type="hidden" name="country" value="{{ old('country','TR') }}">
                        <input type="hidden" name="year" value="{{ old('year', now()->year) }}">
                        <input type="hidden" name="grid_ef" value="{{ old('grid_ef') }}">
                        <input type="hidden" name="mix_coal" value="{{ old('mix_coal',35) }}">
                        <input type="hidden" name="mix_gas" value="{{ old('mix_gas',30) }}">
                        <input type="hidden" name="mix_renew" value="{{ old('mix_renew',35) }}">
                        @foreach(old('include', array_keys($opts)) as $inc)
                            <input type="hidden" name="include[]" value="{{ $inc }}">
                        @endforeach

                        <div class="table-responsive mb-3">
                            <table class="table table-sm table-striped">
                                <thead>
                                    <tr>
                                        <th>Ad</th>
                                        <th>Kategori</th>
                                        <th>Birim</th>
                                        <th>Kapsam</th>
                                        <th class="text-end">CO₂</th>
                                        <th class="text-end">CH₄</th>
                                        <th class="text-end">N₂O</th>
                                        <th class="text-end">CO₂e</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @foreach($preview as $f)
                                        <tr>
                                            <td>{{ $f['name'] }}</td>
                                            <td>{{ $f['category'] }}</td>
                                            <td>{{ $f['unit'] }}</td>
                                            <td>{{ strtoupper($f['scope']) }}</td>
                                            <td class="text-end">{{ number_format($f['co2_factor'], 6) }}</td>
                                            <td class="text-end">{{ number_format($f['ch4_factor'], 6) }}</td>
                                            <td class="text-end">{{ number_format($f['n2o_factor'], 6) }}</td>
                                            <td class="text-end">{{ number_format($f['co2e_factor'] ?? ($f['co2_factor'] + $f['ch4_factor']*27.2 + $f['n2o_factor']*273.0), 6) }}</td>
                                        </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>
                        <div class="d-flex justify-content-between">
                            <button class="btn btn-outline-primary" type="submit" formaction="{{ route('admin.ipcc-converter.export') }}">
                                <i class="bi bi-download me-1"></i> Önizlemeyi CSV İndir
                            </button>
                            <button class="btn btn-success" type="submit" formaction="{{ route('admin.ipcc-converter.save') }}">
                                <i class="bi bi-save me-1"></i> Faktörleri Kaydet
                            </button>
                        </div>
                    </form>
                @else
                    <div class="text-muted">Önizleme için sol taraftan parametreleri doldurup "Önizle" butonuna basın.</div>
                @endif
            </div>
        </div>
    </div>
</div>
@endsection