-- Database initialization script for Docker container
-- This script will be executed when the MySQL container starts for the first time

-- Create database if it doesn't exist
CREATE DATABASE IF NOT EXISTS inventory_db CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- Use the database
USE inventory_db;

-- Create users table
CREATE TABLE IF NOT EXISTS users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    first_name VARCHAR(100) NOT NULL,
    last_name VARCHAR(100) NOT NULL,
    email VARCHAR(255) NOT NULL UNIQUE,
    phone VARCHAR(20),
    password VARCHAR(255) NOT NULL,
    role ENUM('admin', 'user') DEFAULT 'user',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

-- Create clients table
CREATE TABLE IF NOT EXISTS clients (
    id INT AUTO_INCREMENT PRIMARY KEY,
    y_tunnus VARCHAR(255),
    company_name VARCHAR(255),
    first_name VARCHAR(100) NOT NULL,
    last_name VARCHAR(100) NOT NULL,
    email VARCHAR(255) NOT NULL UNIQUE,
    phone VARCHAR(20),
    address VARCHAR(255),
    city VARCHAR(100),
    state VARCHAR(100),
    postal_code VARCHAR(20),
    country VARCHAR(100),
    notes TEXT,
    hour_price DECIMAL(10,2) DEFAULT 0.00,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_last_name (last_name)
);

-- Create contact_persons table
CREATE TABLE IF NOT EXISTS contact_persons (
    id INT AUTO_INCREMENT PRIMARY KEY,
    client_id INT NOT NULL,
    first_name VARCHAR(100) NOT NULL,
    last_name VARCHAR(100) NOT NULL,
    email VARCHAR(255),
    phone VARCHAR(20),
    position VARCHAR(100),
    department VARCHAR(100),
    is_primary BOOLEAN DEFAULT FALSE,
    notes TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (client_id) REFERENCES clients(id) ON DELETE CASCADE
);

-- Create projects table
CREATE TABLE IF NOT EXISTS projects (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255) NOT NULL,
    description TEXT,
    status ENUM('planning', 'active', 'completed', 'on_hold', 'cancelled') DEFAULT 'planning',
    customer_id INT,
    start_date DATE,
    end_date DATE,
    budget DECIMAL(12,2),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (customer_id) REFERENCES clients(id) ON DELETE SET NULL
);

-- Create tasks table
CREATE TABLE IF NOT EXISTS tasks (
    id INT AUTO_INCREMENT PRIMARY KEY,
    title VARCHAR(255) NOT NULL,
    description TEXT,
    status ENUM('pending', 'in_progress', 'completed', 'on_hold', 'cancelled') DEFAULT 'pending',
    priority ENUM('low', 'medium', 'high', 'urgent') DEFAULT 'medium',
    project_id INT,
    assigned_to INT,
    due_date DATE,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    FOREIGN KEY (assigned_to) REFERENCES users(id) ON DELETE SET NULL
);

-- Create work_hours table
CREATE TABLE IF NOT EXISTS work_hours (
    id INT AUTO_INCREMENT PRIMARY KEY,
    task_id INT NOT NULL,
    user_id INT NOT NULL,
    date DATE NOT NULL,
    hours DECIMAL(5,2) NOT NULL,
    description TEXT,
    rate DECIMAL(10,2),
    total_amount DECIMAL(10,2),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (task_id) REFERENCES tasks(id) ON DELETE CASCADE,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    INDEX idx_task_date (task_id, date),
    INDEX idx_user_date (user_id, date)
);

-- Create items table
CREATE TABLE IF NOT EXISTS items (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255) NOT NULL,
    description TEXT,
    sku VARCHAR(100) UNIQUE,
    category VARCHAR(100),
    unit_price DECIMAL(10,2),
    quantity INT DEFAULT 0,
    min_quantity INT DEFAULT 0,
    location VARCHAR(100),
    supplier VARCHAR(255),
    purchase_price DECIMAL(10,2),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

-- Create accounting_entries table
CREATE TABLE IF NOT EXISTS accounting_entries (
    id INT AUTO_INCREMENT PRIMARY KEY,
    date DATE NOT NULL,
    description TEXT NOT NULL,
    account_number VARCHAR(20) NOT NULL,
    account_name VARCHAR(255) NOT NULL,
    category VARCHAR(100),
    debit DECIMAL(12,2) DEFAULT 0.00,
    credit DECIMAL(12,2) DEFAULT 0.00,
    balance DECIMAL(12,2) DEFAULT 0.00,
    entry_type ENUM('income', 'expense', 'opening_balance') DEFAULT 'expense',
    reference_number VARCHAR(100),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_date (date),
    INDEX idx_account (account_number),
    INDEX idx_category (category)
);

-- Insert default admin user (password: admin123)
INSERT IGNORE INTO users (first_name, last_name, email, password, role) 
VALUES ('Admin', 'User', 'admin@inventory.com', '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', 'admin');

-- Insert sample data for testing
INSERT IGNORE INTO clients (first_name, last_name, email, company_name, y_tunnus, hour_price) 
VALUES ('Weikka', 'Valavuo', 'weikka@wavium.fi', 'Wavium', '3464619-2', 10.00);

INSERT IGNORE INTO projects (name, description, status, customer_id) 
VALUES ('Inventory', 'Inventory Management System', 'active', 1);

INSERT IGNORE INTO tasks (title, description, status, priority, project_id, assigned_to, due_date) 
VALUES ('Working hours', 'Tuntien kirjaamismahdollisuus', 'in_progress', 'medium', 1, 1, '2026-04-26');