{% extends 'base.html' %}
{% load static %}

{% block title %}Quadros Kanban - {{ block.super }}{% endblock %}

{% block breadcrumb %}
<nav aria-label="breadcrumb" class="bg-light">
    <div class="container-fluid">
        <ol class="breadcrumb mb-0 py-2">
            <li class="breadcrumb-item"><a href="{% url 'home' %}">Início</a></li>
            <li class="breadcrumb-item active" aria-current="page">Quadros Kanban</li>
        </ol>
    </div>
</nav>
{% endblock %}

{% block content %}
<style>
    .filter-header {
        transition: background-color 0.2s ease;
    }
    
    .filter-header:hover {
        background-color: rgba(0, 123, 255, 0.1) !important;
    }
    
    .filter-toggle-icon {
        transition: transform 0.2s ease;
    }
    
    #filterBody {
        transition: all 0.3s ease;
    }
    
    .filter-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
</style>

<!-- Container para o modal -->
<div id="modalContainer"></div>

<div class="d-flex justify-content-between align-items-center mb-4">
    <h1><i class="bi bi-kanban"></i> Quadros Kanban</h1>
    {% if user.is_superuser %}
        <button type="button" class="btn btn-primary" id="openBoardModal">
            <i class="bi bi-plus-circle"></i> Novo Quadro
        </button>
    {% endif %}
</div>

<!-- Estatísticas -->
<div class="row mb-4">
    <div class="col-md-3">
        <div class="card text-center">
            <div class="card-body">
                <i class="bi bi-kanban display-4 text-primary"></i>
                <h3 class="text-primary">{{ total_boards }}</h3>
                <p class="text-muted mb-0">Total de Quadros</p>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card text-center">
            <div class="card-body">
                <i class="bi bi-check-circle display-4 text-success"></i>
                <h3 class="text-success">{{ boards_ativos }}</h3>
                <p class="text-muted mb-0">Quadros Ativos</p>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card text-center">
            <div class="card-body">
                <i class="bi bi-list-task display-4 text-info"></i>
                <h3 class="text-info">{{ boards_com_tarefas }}</h3>
                <p class="text-muted mb-0">Com Tarefas</p>
            </div>
        </div>
    </div>
    <div class="col-md-3">
        <div class="card text-center">
            <div class="card-body">
                <i class="bi bi-collection display-4 text-warning"></i>
                <h3 class="text-warning">{{ total_groups }}</h3>
                <p class="text-muted mb-0">Total de Grupos</p>
            </div>
        </div>
    </div>
</div>

<!-- Filtros -->
<div class="card mb-4">
    <div class="card-header d-flex justify-content-between align-items-center filter-header" 
         style="cursor: pointer;" 
         onclick="toggleFilters();">
        <h5 class="mb-0">
            <i class="bi bi-funnel"></i> Filtros
            <span class="badge bg-primary ms-2 filter-badge" id="activeFiltersCount" style="display: none;">0</span>
        </h5>
        <i class="bi bi-chevron-down filter-toggle-icon" id="filterToggleIcon"></i>
    </div>
    <div class="card-body" id="filterBody">
        <form method="get">
            <!-- Primeira linha de filtros -->
            <div class="row g-3">
                <div class="col-md-3">
                    <label for="search" class="form-label">Buscar</label>
                    <input type="text" class="form-control" id="search" name="search" 
                           value="{{ search }}" placeholder="Nome do quadro, projeto...">
                </div>
                <div class="col-md-2">
                    <label for="project" class="form-label">Projeto</label>
                    <select class="form-select" id="project" name="project">
                        <option value="">Todos os projetos</option>
                        {% for project in projects %}
                            <option value="{{ project.id }}" {% if project_id == project.id|stringformat:"s" %}selected{% endif %}>
                                {{ project.portfolio.workspace.nome }} - {{ project.nome }}
                            </option>
                        {% endfor %}
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="workspace" class="form-label">Workspace</label>
                    <select class="form-select" id="workspace" name="workspace">
                        <option value="">Todos os workspaces</option>
                        {% for workspace in workspaces %}
                            <option value="{{ workspace.id }}" {% if workspace_id == workspace.id|stringformat:"s" %}selected{% endif %}>
                                {{ workspace.nome }}
                            </option>
                        {% endfor %}
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="client" class="form-label">Cliente</label>
                    <select class="form-select" id="client" name="client">
                        <option value="">Todos os clientes</option>
                        {% for client in clients %}
                            <option value="{{ client.id }}" {% if client_id == client.id|stringformat:"s" %}selected{% endif %}>
                                {{ client.nome }}
                            </option>
                        {% endfor %}
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="responsible" class="form-label">Responsável</label>
                    <select class="form-select" id="responsible" name="responsible">
                        <option value="">Todos os responsáveis</option>
                        {% for responsavel in responsaveis %}
                            <option value="{{ responsavel.id }}" {% if responsible_id == responsavel.id|stringformat:"s" %}selected{% endif %}>
                                {{ responsavel.nome }} ({{ responsavel.area.nome }})
                            </option>
                        {% endfor %}
                    </select>
                </div>
                <div class="col-md-1 d-flex align-items-end">
                    <button type="submit" class="btn btn-primary w-100">
                        <i class="bi bi-search"></i>
                    </button>
                </div>
            </div>
            
            <!-- Segunda linha para filtros de data -->
            <div class="row g-3 mt-3">
                <div class="col-md-2">
                    <label for="date_from" class="form-label">Data Inicial</label>
                    <input type="date" class="form-control" id="date_from" name="date_from" value="{{ date_from }}">
                </div>
                <div class="col-md-2">
                    <label for="date_to" class="form-label">Data Final</label>
                    <input type="date" class="form-control" id="date_to" name="date_to" value="{{ date_to }}">
                </div>
                <div class="col-md-2">
                    <label for="date_filter" class="form-label">Tipo de Data</label>
                    <select class="form-select" id="date_filter" name="date_filter">
                        <option value="created_at" {% if date_filter == 'created_at' %}selected{% endif %}>Data de Criação</option>
                        <option value="updated_at" {% if date_filter == 'updated_at' %}selected{% endif %}>Data de Atualização</option>
                    </select>
                </div>
                <div class="col-md-3 d-flex align-items-end">
                    <a href="{% url 'board:list' %}" class="btn btn-outline-secondary">
                        <i class="bi bi-x-circle"></i> Limpar Filtros
                    </a>
                </div>
            </div>
        </form>
    </div>
</div>

<!-- Lista de Quadros -->
{% if boards %}
<div class="row">
    {% for board in boards %}
    <div class="col-lg-4 col-md-6 mb-4">
        <div class="card h-100 shadow-sm">
            <div class="card-header" style="background: linear-gradient(135deg, {{ board.cor }}, {{ board.cor }}dd);">
                <div class="d-flex justify-content-between align-items-center">
                    <h5 class="mb-0 text-white">
                        <i class="bi bi-kanban"></i> {{ board.nome }}
                    </h5>
                    {% if board.ativo %}
                        <span class="badge bg-success">Ativo</span>
                    {% else %}
                        <span class="badge bg-secondary">Inativo</span>
                    {% endif %}
                </div>
            </div>
            <div class="card-body">
                <p class="text-muted mb-2">
                    <i class="bi bi-folder"></i> {{ board.project.nome }}
                </p>
                
                <p class="text-muted mb-2">
                    <i class="bi bi-house"></i> {{ board.workspace.nome }}
                </p>
                
                <p class="text-muted mb-2">
                                                    <i class="bi bi-people"></i> {{ board.cliente.nome }}
                </p>
                
                {% if board.descricao %}
                    <p class="card-text">{{ board.descricao|truncatewords:15 }}</p>
                {% else %}
                    <p class="text-muted">Sem descrição</p>
                {% endif %}
                
                <div class="row text-center mb-3">
                    <div class="col-6">
                        <div class="border-end">
                            <h6 class="text-primary mb-0">{{ board.total_groups }}</h6>
                            <small class="text-muted">Grupos</small>
                        </div>
                    </div>
                    <div class="col-6">
                        <h6 class="text-success mb-0">{{ board.total_tasks }}</h6>
                        <small class="text-muted">Tarefas</small>
                    </div>
                </div>
                
                <div class="mb-3">
                    <small class="text-muted">Progresso</small>
                    <div class="progress" style="height: 8px;">
                        <div class="progress-bar bg-success" role="progressbar" 
                             style="width: {{ board.progresso_percentual }}%">
                        </div>
                    </div>
                    <small class="text-muted">{{ board.progresso_percentual }}%</small>
                </div>
                
                <div class="mb-0">
                    <small class="text-muted">
                        <i class="bi bi-clock"></i> Criado: {{ board.created_at|date:"d/m/Y" }}
                    </small>
                </div>
            </div>
            <div class="card-footer bg-transparent">
                <div class="btn-group w-100" role="group">
                    <a href="{% url 'board:detail' board.pk %}" 
                       class="btn btn-outline-primary btn-sm">
                        <i class="bi bi-eye"></i> Ver
                    </a>
                    {% if user.is_superuser %}
                        <button type="button" 
                                class="btn btn-outline-secondary btn-sm edit-board-btn"
                                data-board-id="{{ board.pk }}"
                                data-board-name="{{ board.nome }}">
                            <i class="bi bi-pencil"></i> Editar
                        </button>
                        <a href="{% url 'board:delete' board.pk %}" 
                           class="btn btn-outline-danger btn-sm delete-btn"
                           data-item-name="{{ board.nome }}">
                            <i class="bi bi-trash"></i> Excluir
                        </a>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>
    {% endfor %}
</div>

<!-- Paginação -->
{% if is_paginated %}
<nav aria-label="Paginação" class="mt-4">
    <ul class="pagination justify-content-center">
        {% if page_obj.has_previous %}
            <li class="page-item">
                <a class="page-link" href="?page=1{% if search %}&search={{ search }}{% endif %}{% if project_id %}&project={{ project_id }}{% endif %}{% if workspace_id %}&workspace={{ workspace_id }}{% endif %}">
                    <i class="bi bi-chevron-double-left"></i>
                </a>
            </li>
            <li class="page-item">
                <a class="page-link" href="?page={{ page_obj.previous_page_number }}{% if search %}&search={{ search }}{% endif %}{% if project_id %}&project={{ project_id }}{% endif %}{% if workspace_id %}&workspace={{ workspace_id }}{% endif %}">
                    <i class="bi bi-chevron-left"></i>
                </a>
            </li>
        {% endif %}
        
        <li class="page-item active">
            <span class="page-link">
                {{ page_obj.number }} de {{ page_obj.paginator.num_pages }}
            </span>
        </li>
        
        {% if page_obj.has_next %}
            <li class="page-item">
                <a class="page-link" href="?page={{ page_obj.next_page_number }}{% if search %}&search={{ search }}{% endif %}{% if project_id %}&project={{ project_id }}{% endif %}{% if workspace_id %}&workspace={{ workspace_id }}{% endif %}">
                    <i class="bi bi-chevron-right"></i>
                </a>
            </li>
            <li class="page-item">
                <a class="page-link" href="?page={{ page_obj.paginator.num_pages }}{% if search %}&search={{ search }}{% endif %}{% if project_id %}&project={{ project_id }}{% endif %}{% if workspace_id %}&workspace={{ workspace_id }}{% endif %}">
                    <i class="bi bi-chevron-double-right"></i>
                </a>
            </li>
        {% endif %}
    </ul>
</nav>
{% endif %}

{% else %}
<!-- Estado vazio -->
<div class="text-center py-5">
    <i class="bi bi-kanban display-1 text-muted"></i>
    <h4 class="text-muted mt-3">
        {% if search or project_id or workspace_id %}
            Nenhum quadro encontrado
        {% else %}
            Nenhum quadro criado ainda
        {% endif %}
    </h4>
    <p class="text-muted">
        {% if search or project_id or workspace_id %}
            Tente ajustar os filtros de busca.
        {% else %}
            Comece criando seu primeiro quadro Kanban.
        {% endif %}
    </p>
    {% if not search and not project_id and not workspace_id %}
        {% if user.is_superuser %}
            <button type="button" class="btn btn-primary" id="openBoardModalEmpty">
                <i class="bi bi-plus-circle"></i> Criar Primeiro Quadro
            </button>
        {% endif %}
    {% endif %}
</div>
{% endif %}
{% endblock %}

{% block extra_js %}
<script>
document.addEventListener('DOMContentLoaded', function() {
    console.log('DOM carregado - Boards');
    console.log('Bootstrap disponível:', typeof bootstrap !== 'undefined');
    
    // Confirmação para exclusão
    const deleteButtons = document.querySelectorAll('.delete-btn');
    deleteButtons.forEach(button => {
        button.addEventListener('click', function(e) {
            const itemName = this.getAttribute('data-item-name');
            if (!confirm(`Tem certeza que deseja excluir o quadro "${itemName}"?`)) {
                e.preventDefault();
            }
        });
    });
    
    // Abrir modal de board via AJAX
    const openBoardModalBtns = document.querySelectorAll('#openBoardModal, #openBoardModalEmpty');
    openBoardModalBtns.forEach(btn => {
        btn.addEventListener('click', function() {
            console.log('Abrindo modal de board...');
            
            // Carregar o modal via AJAX
            fetch('{% url "board:create_modal" %}')
                .then(response => response.text())
                .then(html => {
                    // Criar um elemento temporário para extrair o modal
                    const tempDiv = document.createElement('div');
                    tempDiv.innerHTML = html;
                    
                    // Encontrar o modal no HTML retornado
                    const modalHtml = tempDiv.querySelector('.modal');
                    if (modalHtml) {
                        // Remover modal existente se houver
                        const existingModal = document.getElementById('createBoardModal');
                        if (existingModal) {
                            existingModal.remove();
                        }
                        
                        // Adicionar o novo modal ao body
                        document.body.appendChild(modalHtml);
                        
                        // Mostrar o modal
                        const modal = new bootstrap.Modal(modalHtml);
                        modal.show();
                        
                        // Adicionar event listener para o formulário
                        setupBoardForm();
                    } else {
                        console.error('Modal não encontrado no HTML retornado');
                    }
                })
                .catch(error => {
                    console.error('Erro ao carregar modal:', error);
                });
        });
    });
    
    // Setup board form function
    function setupBoardForm() {
        const boardForm = document.getElementById('boardForm');
        if (boardForm) {
            console.log('Formulário de board encontrado');
            
            // Setup color preview
            const colorInput = boardForm.querySelector('input[type="color"]');
            const colorPreview = boardForm.querySelector('#colorPreview');
            if (colorInput && colorPreview) {
                colorInput.addEventListener('input', function() {
                    colorPreview.style.backgroundColor = this.value;
                    colorPreview.textContent = this.value;
                });
            }
            
            boardForm.addEventListener('submit', function(e) {
                e.preventDefault();
                console.log('Formulário submetido');
                
                const formData = new FormData(this);
                
                fetch('{% url "board:create_modal" %}', {
                    method: 'POST',
                    body: formData,
                    headers: {
                        'X-Requested-With': 'XMLHttpRequest',
                        'X-CSRFToken': formData.get('csrfmiddlewaretoken')
                    }
                })
                .then(response => response.json())
                .then(data => {
                    console.log('Resposta:', data);
                    if (data.success) {
                        // Show success message
                        showAlert('success', data.message);
                        
                        // Close modal
                        const modalElement = document.getElementById('createBoardModal');
                        if (modalElement) {
                            const modal = bootstrap.Modal.getInstance(modalElement);
                            if (modal) {
                                modal.hide();
                            } else {
                                // Fallback: remove classes manually
                                modalElement.classList.remove('show');
                                modalElement.style.display = 'none';
                                document.body.classList.remove('modal-open');
                                const backdrop = document.querySelector('.modal-backdrop');
                                if (backdrop) backdrop.remove();
                            }
                        }
                        
                        // Reset form
                        boardForm.reset();
                        
                        // Reload page to show new board
                        setTimeout(() => {
                            window.location.reload();
                        }, 1000);
                    } else {
                        // Show errors
                        showFormErrors(data.errors);
                    }
                })
                .catch(error => {
                    console.error('Error:', error);
                    showAlert('danger', 'Erro ao criar board. Tente novamente.');
                });
            });
        }
    }
    
    // Abrir modal de edição de board via AJAX
    const editBoardBtns = document.querySelectorAll('.edit-board-btn');
    editBoardBtns.forEach(btn => {
        btn.addEventListener('click', function() {
            const boardId = this.getAttribute('data-board-id');
            const boardName = this.getAttribute('data-board-name');
            console.log(`Abrindo modal de edição para board: ${boardName} (ID: ${boardId})`);
            
            // Carregar o modal via AJAX
            fetch(`/boards/${boardId}/edit-modal/`)
                .then(response => response.text())
                .then(html => {
                    // Criar um elemento temporário para extrair o modal
                    const tempDiv = document.createElement('div');
                    tempDiv.innerHTML = html;
                    
                    // Encontrar o modal no HTML retornado
                    const modalHtml = tempDiv.querySelector('.modal');
                    if (modalHtml) {
                        // Remover modal existente se houver
                        const existingModal = document.getElementById('editBoardModal');
                        if (existingModal) {
                            existingModal.remove();
                        }
                        
                        // Adicionar o novo modal ao body
                        document.body.appendChild(modalHtml);
                        
                        // Mostrar o modal
                        const modal = new bootstrap.Modal(modalHtml);
                        modal.show();
                        
                        // Adicionar event listener para o formulário
                        setupBoardEditForm();
                    } else {
                        console.error('Modal de edição não encontrado no HTML retornado');
                    }
                })
                .catch(error => {
                    console.error('Erro ao carregar modal de edição:', error);
                });
        });
    });
    
    // Setup board edit form function
    function setupBoardEditForm() {
        const boardEditForm = document.getElementById('boardEditForm');
        if (boardEditForm) {
            console.log('Formulário de edição de board encontrado');
            
            // Setup color preview
            const colorInput = boardEditForm.querySelector('input[type="color"]');
            const colorPreview = boardEditForm.querySelector('#colorPreview');
            if (colorInput && colorPreview) {
                colorInput.addEventListener('input', function() {
                    colorPreview.style.backgroundColor = this.value;
                    colorPreview.textContent = this.value;
                });
            }
            
            boardEditForm.addEventListener('submit', function(e) {
                e.preventDefault();
                console.log('Formulário de edição submetido');
                
                const formData = new FormData(this);
                
                fetch(this.action, {
                    method: 'POST',
                    body: formData,
                    headers: {
                        'X-Requested-With': 'XMLHttpRequest',
                        'X-CSRFToken': formData.get('csrfmiddlewaretoken')
                    }
                })
                .then(response => response.json())
                .then(data => {
                    console.log('Resposta de edição:', data);
                    if (data.success) {
                        // Show success message
                        showAlert('success', data.message);
                        
                        // Close modal
                        const modalElement = document.getElementById('editBoardModal');
                        if (modalElement) {
                            const modal = bootstrap.Modal.getInstance(modalElement);
                            if (modal) {
                                modal.hide();
                            } else {
                                // Fallback: remove classes manually
                                modalElement.classList.remove('show');
                                modalElement.style.display = 'none';
                                document.body.classList.remove('modal-open');
                                const backdrop = document.querySelector('.modal-backdrop');
                                if (backdrop) backdrop.remove();
                            }
                        }
                        
                        // Reload page to show updated board
                        setTimeout(() => {
                            window.location.reload();
                        }, 1000);
                    } else {
                        // Show errors
                        showFormErrors(data.errors);
                    }
                })
                .catch(error => {
                    console.error('Error:', error);
                    showAlert('danger', 'Erro ao atualizar board. Tente novamente.');
                });
            });
        }
    }
    
    // Show alert function
    function showAlert(type, message) {
        const alertDiv = document.createElement('div');
        alertDiv.className = `alert alert-${type} alert-dismissible fade show`;
        alertDiv.innerHTML = `
            ${message}
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        `;
        
        const container = document.querySelector('.container-fluid');
        container.insertBefore(alertDiv, container.firstChild);
        
        // Auto remove after 5 seconds
        setTimeout(() => {
            alertDiv.remove();
        }, 5000);
    }
    
    // Show form errors function
    function showFormErrors(errors) {
        // Clear previous errors
        document.querySelectorAll('.is-invalid').forEach(el => {
            el.classList.remove('is-invalid');
        });
        document.querySelectorAll('.invalid-feedback').forEach(el => {
            el.remove();
        });
        
        // Show new errors
        Object.keys(errors).forEach(field => {
            const input = document.querySelector(`[name="${field}"]`);
            if (input) {
                input.classList.add('is-invalid');
                
                const errorDiv = document.createElement('div');
                errorDiv.className = 'invalid-feedback';
                errorDiv.textContent = errors[field][0];
                input.parentNode.appendChild(errorDiv);
            }
        });
    }
    
    // Toggle filters function - Global scope
    window.toggleFilters = function() {
        console.log('toggleFilters called'); // Debug
        const filterBody = document.getElementById('filterBody');
        const toggleIcon = document.getElementById('filterToggleIcon');
        
        console.log('filterBody:', filterBody); // Debug
        console.log('toggleIcon:', toggleIcon); // Debug
        
        if (!filterBody || !toggleIcon) {
            console.error('Elements not found');
            return;
        }
        
        const isHidden = filterBody.style.display === 'none';
        console.log('isHidden:', isHidden); // Debug
        
        if (isHidden) {
            filterBody.style.display = 'block';
            toggleIcon.className = 'bi bi-chevron-down filter-toggle-icon';
            console.log('Filters expanded'); // Debug
        } else {
            filterBody.style.display = 'none';
            toggleIcon.className = 'bi bi-chevron-right filter-toggle-icon';
            console.log('Filters collapsed'); // Debug
        }
    };
    
    // Count active filters function
    function countActiveFilters() {
        let count = 0;
        
        // Check search
        const searchInput = document.getElementById('search');
        if (searchInput && searchInput.value.trim()) count++;
        
        // Check project
        const projectSelect = document.getElementById('project');
        if (projectSelect && projectSelect.value) count++;
        
        // Check workspace
        const workspaceSelect = document.getElementById('workspace');
        if (workspaceSelect && workspaceSelect.value) count++;
        
        // Check client
        const clientSelect = document.getElementById('client');
        if (clientSelect && clientSelect.value) count++;
        
        // Check responsible
        const responsibleSelect = document.getElementById('responsible');
        if (responsibleSelect && responsibleSelect.value) count++;
        
        // Check date filters
        const dateFromInput = document.getElementById('date_from');
        if (dateFromInput && dateFromInput.value) count++;
        
        const dateToInput = document.getElementById('date_to');
        if (dateToInput && dateToInput.value) count++;
        
        // Update badge
        const badge = document.getElementById('activeFiltersCount');
        if (badge) {
            badge.textContent = count;
            
            // Show/hide badge
            if (count > 0) {
                badge.style.display = 'inline';
            } else {
                badge.style.display = 'none';
            }
        }
    }
    
    // Test function
    window.testToggle = function() {
        console.log('Test toggle function called');
        toggleFilters();
    };
    
    // Initialize filters when DOM is ready
    document.addEventListener('DOMContentLoaded', function() {
        console.log('DOM loaded, initializing filters...'); // Debug
        countActiveFilters();
        
        // Add event listeners to all filter inputs
        const filterInputs = document.querySelectorAll('#filterBody input, #filterBody select');
        filterInputs.forEach(input => {
            input.addEventListener('change', countActiveFilters);
            input.addEventListener('input', countActiveFilters);
        });
        
        console.log('Filters initialized'); // Debug
    });
});
</script>
{% endblock %}