CREATE TABLE IF NOT EXISTS `roles` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `name` VARCHAR(255) NOT NULL UNIQUE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

INSERT INTO `roles` (name) VALUES ('Administrador'), ('Gestor'), ('Funcionário');

CREATE TABLE IF NOT EXISTS `users` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `name` VARCHAR(255) NOT NULL,
  `email` VARCHAR(255) NOT NULL UNIQUE,
  `password` VARCHAR(255) NOT NULL,
  `role_id` INT,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (`role_id`) REFERENCES `roles`(`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS `products` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `name` VARCHAR(255) NOT NULL,
  `unit` VARCHAR(50) NOT NULL, -- e.g., kg, L, un
  `quantity` DECIMAL(10, 2) NOT NULL DEFAULT 0.00,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS `stock_movements` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `product_id` INT NOT NULL,
  `type` ENUM('entrada', 'saída') NOT NULL,
  `quantity` DECIMAL(10, 2) NOT NULL,
  `user_id` INT,
  `notes` TEXT,
  `date` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (`product_id`) REFERENCES `products`(`id`),
  FOREIGN KEY (`user_id`) REFERENCES `users`(`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS `financial_categories` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `name` VARCHAR(255) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

INSERT INTO `financial_categories` (name) VALUES ('Combustível'), ('Sementes'), ('Defensivos'), ('Maquinário'), ('Mão de Obra'), ('Manutenção'), ('Receita de Venda'), ('Outros');

CREATE TABLE IF NOT EXISTS `financial_transactions` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `description` VARCHAR(255) NOT NULL,
  `type` ENUM('receita', 'despesa') NOT NULL,
  `amount` DECIMAL(10, 2) NOT NULL,
  `category_id` INT,
  `user_id` INT,
  `date` DATE NOT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (`category_id`) REFERENCES `financial_categories`(`id`),
  FOREIGN KEY (`user_id`) REFERENCES `users`(`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS `crops` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `name` VARCHAR(255) NOT NULL,
  `area` DECIMAL(10, 2) NOT NULL, -- in hectares
  `start_date` DATE NOT NULL,
  `end_date` DATE,
  `expected_yield` DECIMAL(10, 2),
  `actual_yield` DECIMAL(10, 2),
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS `crop_inputs` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `crop_id` INT NOT NULL,
  `product_id` INT NOT NULL,
  `quantity` DECIMAL(10, 2) NOT NULL,
  `application_date` DATE NOT NULL,
  `user_id` INT,
  `notes` TEXT,
  FOREIGN KEY (`crop_id`) REFERENCES `crops`(`id`),
  FOREIGN KEY (`product_id`) REFERENCES `products`(`id`),
  FOREIGN KEY (`user_id`) REFERENCES `users`(`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;