@extends('layouts.app')
@section('title', isset($workflow) ? 'تعديل مسار الاعتماد - DOTS HR Pro' : 'إنشاء مسار اعتماد - DOTS HR Pro')

@section('content')
<div class="page-header">
    <div>
        <h1 class="page-title">{{ isset($workflow) ? 'تعديل مسار الاعتماد' : 'إنشاء مسار اعتماد جديد' }}</h1>
        <p class="page-subtitle">{{ isset($workflow) ? $workflow->name : 'تحديد خطوات الموافقة والاعتماد' }}</p>
    </div>
    <div class="page-actions">
        <a href="{{ route('approvals.workflows') }}" class="btn btn-ghost"><i class="fas fa-arrow-right"></i> رجوع</a>
    </div>
</div>

@if($errors->any())
<div class="alert alert-danger" style="background: var(--danger-light); border: 1px solid var(--danger); padding: 1rem; border-radius: var(--radius); margin-bottom: 1.5rem; color: var(--danger)">
    <ul style="margin:0; padding-right: 1.2rem">
        @foreach($errors->all() as $error) <li>{{ $error }}</li> @endforeach
    </ul>
</div>
@endif

<form method="POST" action="{{ isset($workflow) ? route('approvals.workflows.update', $workflow->id) : route('approvals.workflows.store') }}" id="workflowForm">
    @csrf
    @if(isset($workflow)) @method('PUT') @endif

    <div class="card" style="max-width:900px">
        <div class="card-header"><h3><i class="fas fa-route"></i> بيانات المسار</h3></div>
        <div class="card-body">
            <div class="form-grid cols-2">
                <div class="form-group">
                    <label class="form-label required">اسم المسار</label>
                    <input type="text" name="name" value="{{ old('name', $workflow->name ?? '') }}" class="form-input" placeholder="مثال: مسار اعتماد الإجازات" required>
                </div>
                <div class="form-group">
                    <label class="form-label required">النوع</label>
                    <select name="type" class="form-select" required>
                        @foreach(\App\Models\ApprovalWorkflow::TYPE_LABELS as $val => $label)
                            <option value="{{ $val }}" {{ old('type', $workflow->type ?? '') == $val ? 'selected' : '' }}>{{ $label }}</option>
                        @endforeach
                    </select>
                </div>
            </div>
            <div class="form-group">
                <label class="form-label">الوصف</label>
                <textarea name="description" class="form-textarea" rows="2" placeholder="وصف مختصر لمسار الاعتماد">{{ old('description', $workflow->description ?? '') }}</textarea>
            </div>
            <div class="form-group">
                <label style="display: flex; align-items: center; gap: 0.5rem; cursor: pointer;">
                    <input type="hidden" name="is_active" value="0">
                    <input type="checkbox" name="is_active" value="1" {{ old('is_active', $workflow->is_active ?? true) ? 'checked' : '' }} style="width: 18px; height: 18px;">
                    <span class="form-label" style="margin: 0">تفعيل المسار</span>
                </label>
            </div>
        </div>
    </div>

    <div class="card" style="max-width:900px; margin-top: 1.5rem">
        <div class="card-header" style="display: flex; justify-content: space-between; align-items: center">
            <h3><i class="fas fa-list-ol"></i> خطوات الاعتماد</h3>
            <button type="button" class="btn btn-success" onclick="addStep()" style="font-size: 0.85rem; padding: 0.4rem 0.8rem">
                <i class="fas fa-plus"></i> إضافة خطوة
            </button>
        </div>
        <div class="card-body" id="stepsContainer">
            <!-- Steps will be added here dynamically -->
        </div>
    </div>

    <div class="form-actions" style="max-width:900px; margin-top: 1rem">
        <button type="submit" class="btn btn-primary btn-lg"><i class="fas fa-save"></i> {{ isset($workflow) ? 'حفظ التعديلات' : 'إنشاء المسار' }}</button>
        <a href="{{ route('approvals.workflows') }}" class="btn btn-ghost btn-lg">إلغاء</a>
    </div>
</form>

<style>
.step-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
}
.step-card .step-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}
.step-card .step-number {
    background: var(--primary);
    color: #fff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}
.step-card .remove-step {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.25rem;
}
.step-card .remove-step:hover { opacity: 0.7; }
.conditional-field { display: none; }
.conditional-field.visible { display: block; }
</style>

<script>
let stepIndex = 0;
const users = @json($users->map(fn($u) => ['id' => $u->id, 'name' => $u->name]));

const approverTypes = {
    'specific_user': 'مستخدم محدد',
    'role': 'دور وظيفي',
    'department_manager': 'مدير القسم',
    'direct_manager': 'المدير المباشر'
};

function addStep(data = null) {
    const container = document.getElementById('stepsContainer');
    const idx = stepIndex++;
    const approverType = data ? data.approver_type : 'direct_manager';
    const approverId = data ? data.approver_id : '';
    const approverRole = data ? data.approver_role : '';
    const isRequired = data ? data.is_required : true;

    let typeOptions = '';
    for (let [val, label] of Object.entries(approverTypes)) {
        typeOptions += `<option value="${val}" ${approverType === val ? 'selected' : ''}>${label}</option>`;
    }

    let userOptions = '<option value="">اختر المستخدم</option>';
    users.forEach(u => {
        userOptions += `<option value="${u.id}" ${approverId == u.id ? 'selected' : ''}>${u.name}</option>`;
    });

    const html = `
    <div class="step-card" id="step-${idx}">
        <div class="step-header">
            <div style="display: flex; align-items: center; gap: 0.5rem">
                <span class="step-number">${container.children.length + 1}</span>
                <strong>خطوة اعتماد</strong>
            </div>
            <button type="button" class="remove-step" onclick="removeStep(${idx})" title="حذف الخطوة"><i class="fas fa-times-circle"></i></button>
        </div>
        <div class="form-grid cols-2">
            <div class="form-group">
                <label class="form-label required">نوع المعتمد</label>
                <select name="steps[${idx}][approver_type]" class="form-select" required onchange="toggleConditional(${idx}, this.value)">
                    ${typeOptions}
                </select>
            </div>
            <div class="form-group conditional-field" id="user-field-${idx}" ${approverType === 'specific_user' ? 'style="display:block"' : ''}>
                <label class="form-label">المستخدم</label>
                <select name="steps[${idx}][approver_id]" class="form-select">
                    ${userOptions}
                </select>
            </div>
            <div class="form-group conditional-field" id="role-field-${idx}" ${approverType === 'role' ? 'style="display:block"' : ''}>
                <label class="form-label">الدور</label>
                <input type="text" name="steps[${idx}][approver_role]" value="${approverRole || ''}" class="form-input" placeholder="مثال: hr_manager">
            </div>
        </div>
        <div class="form-group">
            <label style="display: flex; align-items: center; gap: 0.5rem; cursor: pointer;">
                <input type="hidden" name="steps[${idx}][is_required]" value="0">
                <input type="checkbox" name="steps[${idx}][is_required]" value="1" ${isRequired ? 'checked' : ''} style="width: 16px; height: 16px;">
                <span>خطوة إلزامية</span>
            </label>
        </div>
    </div>`;

    container.insertAdjacentHTML('beforeend', html);
    toggleConditional(idx, approverType);
}

function removeStep(idx) {
    const el = document.getElementById('step-' + idx);
    if (el) {
        el.remove();
        renumberSteps();
    }
}

function renumberSteps() {
    const cards = document.querySelectorAll('#stepsContainer .step-card');
    cards.forEach((card, i) => {
        const num = card.querySelector('.step-number');
        if (num) num.textContent = i + 1;
    });
}

function toggleConditional(idx, type) {
    const userField = document.getElementById('user-field-' + idx);
    const roleField = document.getElementById('role-field-' + idx);
    if (userField) userField.style.display = type === 'specific_user' ? 'block' : 'none';
    if (roleField) roleField.style.display = type === 'role' ? 'block' : 'none';
}

// Initialize with existing steps or one empty step
document.addEventListener('DOMContentLoaded', function() {
    @if(isset($workflow) && $workflow->steps->count())
        @foreach($workflow->steps as $step)
            addStep({
                approver_type: '{{ $step->approver_type }}',
                approver_id: '{{ $step->approver_id }}',
                approver_role: '{{ $step->approver_role }}',
                is_required: {{ $step->is_required ? 'true' : 'false' }}
            });
        @endforeach
    @else
        addStep();
    @endif
});
</script>
@endsection