{% extends "base.html" %}

{% block title %}{{ left_table.name.title() }} - {{ right_table.name.title() }} Assignments - WorkFrame{% endblock %}

{% block content %}
<div class="container-fluid">
    <!-- Page Header -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-1">{{ left_table.name.title() }} - {{ right_table.name.title() }} Assignments</h1>
            <p class="text-muted mb-0">Manage assignments between {{ left_table.name }} and {{ right_table.name }}</p>
        </div>
    </div>

    <!-- Assignment Creation Section -->
    <div class="row mb-4">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h5 class="card-title mb-0">
                        <i class="bi bi-plus-circle me-2"></i>Create New Assignment
                    </h5>
                </div>
                <div class="card-body">
                    <form method="POST" action="assign" class="row g-3">
                        <div class="col-md-5">
                            <label for="{{ left_table.name }}_id" class="form-label">{{ left_table.name.title() }}</label>
                            <select name="{{ left_table.name }}_id" id="{{ left_table.name }}_id" class="form-select" required>
                                <option value="">Choose {{ left_table.name.title().rstrip('s') }}...</option>
                                {% for record in left_data.records %}
                                <option value="{{ record.id }}">{{ record.name or record.id }}</option>
                                {% endfor %}
                            </select>
                        </div>
                        <div class="col-md-5">
                            <label for="{{ right_table.name }}_id" class="form-label">{{ right_table.name.title() }}</label>
                            <select name="{{ right_table.name }}_id" id="{{ right_table.name }}_id" class="form-select" required>
                                <option value="">Choose {{ right_table.name.title().rstrip('s') }}...</option>
                                {% for record in right_data.records %}
                                <option value="{{ record.id }}">{{ record.name or record.id }}</option>
                                {% endfor %}
                            </select>
                        </div>
                        <div class="col-md-2 d-flex align-items-end">
                            <button type="submit" class="btn btn-primary w-100">
                                <i class="bi bi-plus-lg me-1"></i>Assign
                            </button>
                        </div>
                    </form>
                    
                    <!-- Quick add buttons -->
                    <div class="mt-3 pt-3 border-top">
                        <div class="d-flex gap-2 flex-wrap">
                            <a href="{{ left_table.name }}/new" class="btn btn-outline-secondary btn-sm">
                                <i class="bi bi-plus me-1"></i>Add {{ left_table.name.title().rstrip('s') }}
                            </a>
                            <a href="{{ right_table.name }}/new" class="btn btn-outline-secondary btn-sm">
                                <i class="bi bi-plus me-1"></i>Add {{ right_table.name.title().rstrip('s') }}
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Current Assignments Section -->
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <div class="d-flex justify-content-between align-items-center">
                        <h5 class="card-title mb-0">
                            <i class="bi bi-link-45deg me-2"></i>Current Assignments
                        </h5>
                        <div class="d-flex gap-2 flex-wrap">
                            <button type="button" class="btn btn-outline-danger btn-sm" id="bulkDeleteBtn" style="display: none;">
                                <i class="bi bi-trash me-1"></i>Remove Selected
                            </button>
                            <a href="export.csv" class="btn btn-outline-success btn-sm">
                                <i class="bi bi-download me-1"></i>Export CSV
                            </a>
                        </div>
                    </div>
                </div>
                <div class="card-body p-0">
                    {% if assignments_data.records %}
                    <!-- Desktop Table View -->
                    <div class="table-responsive d-none d-md-block">
                        <form id="bulkDeleteForm" method="POST" action="bulk-delete">
                            <table class="table table-hover mb-0">
                                <thead class="table-light">
                                    <tr>
                                        <th scope="col" width="50">
                                            <input type="checkbox" class="form-check-input" id="selectAll">
                                        </th>
                                        <th scope="col">{{ left_table.name.title() }}</th>
                                        <th scope="col">{{ right_table.name.title() }}</th>
                                        <th scope="col">Assigned Date</th>
                                        <th scope="col" width="120">Actions</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    {% for assignment in assignments_data.records %}
                                    <tr>
                                        <td>
                                            <input type="checkbox" class="form-check-input assignment-checkbox" 
                                                   name="ids" value="{{ assignment.id }}">
                                        </td>
                                        <td>
                                            {% for field in assignments_data.display_fields %}
                                                {% if field.name.endswith(left_table.name + '_id') %}
                                                    {{ assignment[field.name] }}
                                                {% endif %}
                                            {% endfor %}
                                        </td>
                                        <td>
                                            {% for field in assignments_data.display_fields %}
                                                {% if field.name.endswith(right_table.name + '_id') %}
                                                    {{ assignment[field.name] }}
                                                {% endif %}
                                            {% endfor %}
                                        </td>
                                        <td>
                                            <small class="text-muted">
                                                {% if assignment.created_at %}
                                                    {{ assignment.created_at.strftime('%b %d, %Y') if assignment.created_at is string == false else assignment.created_at }}
                                                {% else %}
                                                    -
                                                {% endif %}
                                            </small>
                                        </td>
                                        <td>
                                            <form method="POST" action="assignment/{{ assignment.id }}/delete" class="d-inline" 
                                                  onsubmit="return confirm('Are you sure you want to remove this assignment?')">
                                                <button type="submit" class="btn btn-outline-danger btn-sm">
                                                    <i class="bi bi-trash"></i>
                                                </button>
                                            </form>
                                        </td>
                                    </tr>
                                    {% endfor %}
                                </tbody>
                            </table>
                        </form>
                    </div>

                    <!-- Mobile Card View -->
                    <div class="d-md-none">
                        <form id="bulkDeleteFormMobile" method="POST" action="bulk-delete">
                            {% for assignment in assignments_data.records %}
                            <div class="card mb-2 border-0 border-bottom">
                                <div class="card-body py-3">
                                    <div class="d-flex justify-content-between align-items-start mb-2">
                                        <div class="form-check">
                                            <input type="checkbox" class="form-check-input assignment-checkbox-mobile" 
                                                   name="ids" value="{{ assignment.id }}" id="mobile_{{ assignment.id }}">
                                            <label class="form-check-label fw-bold" for="mobile_{{ assignment.id }}">
                                                Assignment #{{ assignment.id }}
                                            </label>
                                        </div>
                                        <form method="POST" action="assignment/{{ assignment.id }}/delete" class="d-inline" 
                                              onsubmit="return confirm('Are you sure you want to remove this assignment?')">
                                            <button type="submit" class="btn btn-outline-danger btn-sm">
                                                <i class="bi bi-trash"></i>
                                            </button>
                                        </form>
                                    </div>
                                    
                                    <div class="row">
                                        <div class="col-6">
                                            <div class="d-flex justify-content-between">
                                                <span class="text-muted">{{ left_table.name.title() }}:</span>
                                                <span>
                                                    {% for field in assignments_data.display_fields %}
                                                        {% if field.name.endswith(left_table.name + '_id') %}
                                                            {{ assignment[field.name] }}
                                                        {% endif %}
                                                    {% endfor %}
                                                </span>
                                            </div>
                                        </div>
                                        <div class="col-6">
                                            <div class="d-flex justify-content-between">
                                                <span class="text-muted">{{ right_table.name.title() }}:</span>
                                                <span>
                                                    {% for field in assignments_data.display_fields %}
                                                        {% if field.name.endswith(right_table.name + '_id') %}
                                                            {{ assignment[field.name] }}
                                                        {% endif %}
                                                    {% endfor %}
                                                </span>
                                            </div>
                                        </div>
                                    </div>
                                    
                                    {% if assignment.created_at %}
                                    <div class="mt-2">
                                        <small class="text-muted">
                                            Assigned: {{ assignment.created_at.strftime('%b %d, %Y') if assignment.created_at is string == false else assignment.created_at }}
                                        </small>
                                    </div>
                                    {% endif %}
                                </div>
                            </div>
                            {% endfor %}
                        </form>
                    </div>
                    {% else %}
                    <!-- Empty State -->
                    <div class="text-center py-5">
                        <i class="bi bi-inbox display-4 text-muted mb-3"></i>
                        <h5 class="text-muted">No Assignments Yet</h5>
                        <p class="text-muted">Create your first assignment using the form above.</p>
                    </div>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>
</div>

<style>
/* Assignment form styling */
.card .border-top {
    border-top: 1px solid rgba(0,0,0,.125) !important;
}

/* Checkbox styling */
.form-check-input:checked {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

/* Mobile optimizations */
@media (max-width: 767px) {
    .row.g-3 > .col-md-2 {
        margin-top: 1rem;
    }
    
    .d-flex.gap-2.flex-wrap .btn {
        margin-bottom: 0.5rem;
    }
}

/* Table hover effects */
.table-hover tbody tr:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.075);
}

/* Card hover effects for mobile */
.card:hover {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transform: translateY(-1px);
    transition: all 0.2s ease-in-out;
}

/* Bulk delete button animation */
#bulkDeleteBtn {
    transition: all 0.3s ease;
}

#bulkDeleteBtn.show {
    display: inline-block !important;
    animation: fadeInRight 0.3s ease;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
</style>

<script>
document.addEventListener('DOMContentLoaded', function() {
    // Bulk selection functionality
    const selectAllCheckbox = document.getElementById('selectAll');
    const assignmentCheckboxes = document.querySelectorAll('.assignment-checkbox');
    const mobileCheckboxes = document.querySelectorAll('.assignment-checkbox-mobile');
    const bulkDeleteBtn = document.getElementById('bulkDeleteBtn');
    const bulkDeleteForm = document.getElementById('bulkDeleteForm');
    const bulkDeleteFormMobile = document.getElementById('bulkDeleteFormMobile');

    // Select all functionality for desktop
    if (selectAllCheckbox) {
        selectAllCheckbox.addEventListener('change', function() {
            assignmentCheckboxes.forEach(checkbox => {
                checkbox.checked = this.checked;
            });
            updateBulkDeleteButton();
        });
    }

    // Individual checkbox change handlers
    assignmentCheckboxes.forEach(checkbox => {
        checkbox.addEventListener('change', updateBulkDeleteButton);
    });

    mobileCheckboxes.forEach(checkbox => {
        checkbox.addEventListener('change', updateBulkDeleteButton);
    });

    function updateBulkDeleteButton() {
        const checkedDesktop = document.querySelectorAll('.assignment-checkbox:checked').length;
        const checkedMobile = document.querySelectorAll('.assignment-checkbox-mobile:checked').length;
        const totalChecked = checkedDesktop + checkedMobile;
        
        if (totalChecked > 0) {
            bulkDeleteBtn.style.display = 'inline-block';
            bulkDeleteBtn.classList.add('show');
        } else {
            bulkDeleteBtn.style.display = 'none';
            bulkDeleteBtn.classList.remove('show');
        }

        // Update select all checkbox state
        if (selectAllCheckbox) {
            if (checkedDesktop === assignmentCheckboxes.length && assignmentCheckboxes.length > 0) {
                selectAllCheckbox.checked = true;
                selectAllCheckbox.indeterminate = false;
            } else if (checkedDesktop > 0) {
                selectAllCheckbox.checked = false;
                selectAllCheckbox.indeterminate = true;
            } else {
                selectAllCheckbox.checked = false;
                selectAllCheckbox.indeterminate = false;
            }
        }
    }

    // Bulk delete button click handler
    if (bulkDeleteBtn) {
        bulkDeleteBtn.addEventListener('click', function() {
            const checkedDesktop = document.querySelectorAll('.assignment-checkbox:checked').length;
            const checkedMobile = document.querySelectorAll('.assignment-checkbox-mobile:checked').length;
            const totalChecked = checkedDesktop + checkedMobile;
            
            if (totalChecked === 0) {
                alert('Please select assignments to remove.');
                return;
            }

            if (confirm(`Are you sure you want to remove ${totalChecked} assignment(s)?`)) {
                // Use the appropriate form based on which checkboxes are selected
                if (checkedDesktop > 0) {
                    bulkDeleteForm.submit();
                } else if (checkedMobile > 0) {
                    bulkDeleteFormMobile.submit();
                }
            }
        });
    }

    // Form validation for assignment creation
    const assignForm = document.querySelector('form[action="assign"]');
    if (assignForm) {
        assignForm.addEventListener('submit', function(e) {
            const leftSelect = document.getElementById('{{ left_table.name }}_id');
            const rightSelect = document.getElementById('{{ right_table.name }}_id');
            
            if (!leftSelect.value || !rightSelect.value) {
                e.preventDefault();
                alert('Please select both {{ left_table.name.title() }} and {{ right_table.name.title() }}.');
                return false;
            }
        });
    }
});
</script>
{% endblock %}