-- ============================================================
-- CVPP CONSTRUCTION SUITE - DATABASE SCHEMA
-- MySQL 5.7+ / MariaDB 10.3+
-- Designed for cPanel shared hosting (GoDaddy)
-- ============================================================

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ============================================================
-- USERS & ACCESS CONTROL
-- ============================================================
CREATE TABLE IF NOT EXISTS users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(50) NOT NULL UNIQUE,
    email VARCHAR(100) NOT NULL UNIQUE,
    password_hash VARCHAR(255) NOT NULL,
    full_name VARCHAR(100) NOT NULL,
    phone VARCHAR(30) DEFAULT NULL,
    role ENUM('master','project_manager','foreman','installer','viewer') NOT NULL DEFAULT 'viewer',
    permissions TEXT DEFAULT NULL COMMENT 'JSON of module permissions',
    avatar_color VARCHAR(20) DEFAULT '#f5a524',
    language VARCHAR(2) DEFAULT 'es',
    is_active TINYINT(1) DEFAULT 1,
    last_login DATETIME DEFAULT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_role (role),
    INDEX idx_active (is_active)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- Sessions for secure login
CREATE TABLE IF NOT EXISTS sessions (
    id VARCHAR(128) PRIMARY KEY,
    user_id INT NOT NULL,
    ip_address VARCHAR(45),
    user_agent TEXT,
    last_activity DATETIME DEFAULT CURRENT_TIMESTAMP,
    expires_at DATETIME NOT NULL,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    INDEX idx_expires (expires_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ============================================================
-- COMPANIES (Clients / GCs that hire us)
-- ============================================================
CREATE TABLE IF NOT EXISTS companies (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(200) NOT NULL,
    contact_name VARCHAR(100),
    email VARCHAR(100),
    phone VARCHAR(30),
    address TEXT,
    city VARCHAR(80),
    state VARCHAR(2),
    zip VARCHAR(10),
    tax_id VARCHAR(30),
    notes TEXT,
    is_active TINYINT(1) DEFAULT 1,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    INDEX idx_name (name)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ============================================================
-- PROJECTS
-- ============================================================
CREATE TABLE IF NOT EXISTS projects (
    id INT AUTO_INCREMENT PRIMARY KEY,
    project_code VARCHAR(20) NOT NULL UNIQUE COMMENT 'PRJ-2826',
    name VARCHAR(200) NOT NULL,
    company_id INT,
    address TEXT,
    city VARCHAR(80),
    state VARCHAR(2),
    zip VARCHAR(10),
    total_sf DECIMAL(10,2) DEFAULT 0,
    contract_amount DECIMAL(12,2) DEFAULT NULL,
    status ENUM('pending','active','on_hold','done','cancelled') DEFAULT 'pending',
    start_date DATE,
    due_date DATE,
    completed_date DATE,
    project_manager_id INT,
    notes TEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE SET NULL,
    FOREIGN KEY (project_manager_id) REFERENCES users(id) ON DELETE SET NULL,
    INDEX idx_status (status),
    INDEX idx_company (company_id),
    INDEX idx_dates (due_date, completed_date)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Project assignments (which users work on which project)
CREATE TABLE IF NOT EXISTS project_assignments (
    id INT AUTO_INCREMENT PRIMARY KEY,
    project_id INT NOT NULL,
    user_id INT NOT NULL,
    role_in_project VARCHAR(50) DEFAULT 'installer',
    assigned_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    UNIQUE KEY uniq_assignment (project_id, user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ============================================================
-- BUILDINGS / FLOORS / AREAS (Project hierarchy)
-- ============================================================
CREATE TABLE IF NOT EXISTS buildings (
    id INT AUTO_INCREMENT PRIMARY KEY,
    project_id INT NOT NULL,
    name VARCHAR(100) NOT NULL,
    description TEXT,
    sort_order INT DEFAULT 0,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    INDEX idx_project (project_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS floors (
    id INT AUTO_INCREMENT PRIMARY KEY,
    building_id INT NOT NULL,
    name VARCHAR(100) NOT NULL,
    floor_number INT,
    sort_order INT DEFAULT 0,
    FOREIGN KEY (building_id) REFERENCES buildings(id) ON DELETE CASCADE,
    INDEX idx_building (building_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS areas (
    id INT AUTO_INCREMENT PRIMARY KEY,
    floor_id INT NOT NULL,
    name VARCHAR(100) NOT NULL,
    product_type VARCHAR(100) COMMENT 'LVP, Tile, Carpet, etc',
    product_detail VARCHAR(200) COMMENT 'COREtec Pro Plus 7"',
    total_sf DECIMAL(10,2) DEFAULT 0,
    installed_sf DECIMAL(10,2) DEFAULT 0,
    progress_pct DECIMAL(5,2) DEFAULT 0,
    status ENUM('not_started','in_progress','completed','on_hold') DEFAULT 'not_started',
    sort_order INT DEFAULT 0,
    notes TEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (floor_id) REFERENCES floors(id) ON DELETE CASCADE,
    INDEX idx_floor (floor_id),
    INDEX idx_status (status)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Daily progress log per area
CREATE TABLE IF NOT EXISTS progress_logs (
    id INT AUTO_INCREMENT PRIMARY KEY,
    area_id INT NOT NULL,
    user_id INT,
    log_date DATE NOT NULL,
    sf_installed DECIMAL(10,2) DEFAULT 0,
    notes TEXT,
    photo_path VARCHAR(255),
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (area_id) REFERENCES areas(id) ON DELETE CASCADE,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE SET NULL,
    INDEX idx_area_date (area_id, log_date)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ============================================================
-- MATERIALS & SUPPLIERS
-- ============================================================
CREATE TABLE IF NOT EXISTS suppliers (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(150) NOT NULL,
    contact_name VARCHAR(100),
    email VARCHAR(100),
    phone VARCHAR(30),
    address TEXT,
    notes TEXT,
    is_active TINYINT(1) DEFAULT 1,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS material_orders (
    id INT AUTO_INCREMENT PRIMARY KEY,
    po_number VARCHAR(20) NOT NULL UNIQUE COMMENT 'PO-2826',
    project_id INT NOT NULL,
    supplier_id INT,
    order_date DATE NOT NULL,
    eta_date DATE,
    received_date DATE,
    status ENUM('draft','ordered','partial','received','delayed','cancelled') DEFAULT 'draft',
    total_amount DECIMAL(12,2) DEFAULT 0,
    notes TEXT,
    created_by INT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    FOREIGN KEY (supplier_id) REFERENCES suppliers(id) ON DELETE SET NULL,
    FOREIGN KEY (created_by) REFERENCES users(id) ON DELETE SET NULL,
    INDEX idx_status (status),
    INDEX idx_project (project_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS material_order_items (
    id INT AUTO_INCREMENT PRIMARY KEY,
    order_id INT NOT NULL,
    product_name VARCHAR(200) NOT NULL,
    product_code VARCHAR(50),
    quantity DECIMAL(10,2) NOT NULL,
    unit VARCHAR(20) DEFAULT 'SF' COMMENT 'SF, BOX, ROLL, BAG, etc',
    unit_price DECIMAL(10,2) DEFAULT 0,
    quantity_received DECIMAL(10,2) DEFAULT 0,
    notes TEXT,
    FOREIGN KEY (order_id) REFERENCES material_orders(id) ON DELETE CASCADE,
    INDEX idx_order (order_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ============================================================
-- SITE INVENTORY (where material is stored)
-- ============================================================
CREATE TABLE IF NOT EXISTS storage_locations (
    id INT AUTO_INCREMENT PRIMARY KEY,
    location_code VARCHAR(20) NOT NULL UNIQUE COMMENT 'LOC-001',
    name VARCHAR(150) NOT NULL,
    project_id INT,
    description TEXT,
    is_offsite TINYINT(1) DEFAULT 0,
    is_active TINYINT(1) DEFAULT 1,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE SET NULL,
    INDEX idx_project (project_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS inventory_items (
    id INT AUTO_INCREMENT PRIMARY KEY,
    location_id INT NOT NULL,
    product_name VARCHAR(200) NOT NULL,
    quantity DECIMAL(10,2) NOT NULL DEFAULT 0,
    unit VARCHAR(20) DEFAULT 'SF',
    source_order_id INT COMMENT 'Optional link to PO that delivered this',
    last_updated_by INT,
    last_updated DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    notes TEXT,
    FOREIGN KEY (location_id) REFERENCES storage_locations(id) ON DELETE CASCADE,
    FOREIGN KEY (source_order_id) REFERENCES material_orders(id) ON DELETE SET NULL,
    FOREIGN KEY (last_updated_by) REFERENCES users(id) ON DELETE SET NULL,
    INDEX idx_location (location_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Inventory movement log (for audit trail)
CREATE TABLE IF NOT EXISTS inventory_movements (
    id INT AUTO_INCREMENT PRIMARY KEY,
    item_id INT,
    from_location_id INT,
    to_location_id INT,
    quantity DECIMAL(10,2) NOT NULL,
    movement_type ENUM('receive','transfer','consume','adjust','return') NOT NULL,
    reference_id INT COMMENT 'Optional PO/area reference',
    user_id INT,
    notes TEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    INDEX idx_item (item_id),
    INDEX idx_date (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ============================================================
-- TIMECLOCK / ATTENDANCE
-- ============================================================
CREATE TABLE IF NOT EXISTS timeclock (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT NOT NULL,
    project_id INT,
    check_in DATETIME NOT NULL,
    check_out DATETIME DEFAULT NULL,
    hours_worked DECIMAL(5,2) DEFAULT 0,
    check_in_lat DECIMAL(10,7),
    check_in_lng DECIMAL(10,7),
    check_out_lat DECIMAL(10,7),
    check_out_lng DECIMAL(10,7),
    location_label VARCHAR(150),
    is_overtime TINYINT(1) DEFAULT 0,
    notes TEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE SET NULL,
    INDEX idx_user_date (user_id, check_in),
    INDEX idx_project (project_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- ============================================================
-- BILLING (Ready-to-bill queue + tickets + payments)
-- ============================================================
CREATE TABLE IF NOT EXISTS billing_queue (
    id INT AUTO_INCREMENT PRIMARY KEY,
    project_id INT NOT NULL,
    area_id INT NOT NULL,
    description VARCHAR(255) COMMENT 'Override or additional detail',
    quantity DECIMAL(10,2),
    unit VARCHAR(20) DEFAULT 'SF',
    unit_price DECIMAL(10,2) DEFAULT NULL COMMENT 'NULL = TBD',
    amount DECIMAL(12,2) DEFAULT NULL,
    progress_pct DECIMAL(5,2),
    is_partial TINYINT(1) DEFAULT 0,
    ticket_id INT DEFAULT NULL COMMENT 'NULL = still in queue',
    added_by INT,
    added_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    FOREIGN KEY (area_id) REFERENCES areas(id) ON DELETE CASCADE,
    FOREIGN KEY (added_by) REFERENCES users(id) ON DELETE SET NULL,
    INDEX idx_ticket (ticket_id),
    INDEX idx_area (area_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS billing_tickets (
    id INT AUTO_INCREMENT PRIMARY KEY,
    ticket_number VARCHAR(20) NOT NULL UNIQUE COMMENT 'BT-2026-001',
    project_id INT NOT NULL,
    company_id INT NOT NULL,
    issue_date DATE NOT NULL,
    sent_date DATE DEFAULT NULL,
    due_date DATE DEFAULT NULL,
    subtotal DECIMAL(12,2) DEFAULT 0,
    tbd_lines INT DEFAULT 0,
    total_amount DECIMAL(12,2) DEFAULT 0,
    paid_amount DECIMAL(12,2) DEFAULT 0,
    status ENUM('draft','sent','partial','paid','void') DEFAULT 'draft',
    notes TEXT,
    pdf_path VARCHAR(255),
    created_by INT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE CASCADE,
    FOREIGN KEY (created_by) REFERENCES users(id) ON DELETE SET NULL,
    INDEX idx_status (status),
    INDEX idx_company (company_id),
    INDEX idx_date (issue_date)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS billing_payments (
    id INT AUTO_INCREMENT PRIMARY KEY,
    ticket_id INT NOT NULL,
    payment_date DATE NOT NULL,
    amount DECIMAL(12,2) NOT NULL,
    method VARCHAR(50) COMMENT 'wire, check, zelle, ach',
    reference VARCHAR(100) COMMENT 'check # or wire ref',
    notes TEXT,
    recorded_by INT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (ticket_id) REFERENCES billing_tickets(id) ON DELETE CASCADE,
    FOREIGN KEY (recorded_by) REFERENCES users(id) ON DELETE SET NULL,
    INDEX idx_ticket (ticket_id),
    INDEX idx_date (payment_date)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Add foreign key from billing_queue to billing_tickets
ALTER TABLE billing_queue
    ADD CONSTRAINT fk_queue_ticket
    FOREIGN KEY (ticket_id) REFERENCES billing_tickets(id) ON DELETE SET NULL;

-- ============================================================
-- ACTIVITY LOG (audit trail)
-- ============================================================
CREATE TABLE IF NOT EXISTS activity_log (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user_id INT,
    action VARCHAR(80) NOT NULL,
    entity_type VARCHAR(50),
    entity_id INT,
    description TEXT,
    ip_address VARCHAR(45),
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    INDEX idx_user (user_id),
    INDEX idx_entity (entity_type, entity_id),
    INDEX idx_date (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

SET FOREIGN_KEY_CHECKS = 1;

-- ============================================================
-- DEFAULT MASTER USER (password: ChangeMe2026!)
-- IMPORTANT: Change password immediately after first login
-- The hash below is for: ChangeMe2026!
-- ============================================================
INSERT INTO users (username, email, password_hash, full_name, role, language)
VALUES (
    'master',
    'master@cvppapps.com',
    '$2y$10$f.tDVK8wFjIEdsjWsnLrn.2BSLDdP2HWIdyt.UT0fXUplnhZtxPs6',
    'Master Admin',
    'master',
    'es'
)
ON DUPLICATE KEY UPDATE id=id;