-- phpMyAdmin SQL Dump
-- version 5.2.1
-- https://www.phpmyadmin.net/
--
-- Host: 127.0.0.1
-- Tempo de geração: 11/08/2026 às 19:45
-- Versão do servidor: 10.4.32-MariaDB
-- Versão do PHP: 8.2.12

SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
START TRANSACTION;
SET time_zone = "+00:00";


/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;

--
-- Banco de dados: `projetoum`
--

DELIMITER $$
--
-- Procedimentos
--
CREATE DEFINER=`root`@`localhost` PROCEDURE `validamackadson` (IN `$idmac` VARCHAR(17), OUT `$ativo` BOOLEAN, OUT `$contador` INT, OUT `$limite` INT)   BEGIN

SELECT ativo INTO $ativo FROM mackadson
WHERE idmackadson=$idmac;

SELECT limite INTO $limite FROM mackadson
WHERE idmackadson=$idmac;

SELECT contador INTO $contador FROM mackadson
WHERE idmackadson=$idmac;

END$$

DELIMITER ;

-- --------------------------------------------------------

--
-- Estrutura para tabela `leiturakadson`
--

CREATE TABLE `leiturakadson` (
  `idleiturakadson` int(10) UNSIGNED NOT NULL,
  `mackadson_idmackadson` varchar(17) NOT NULL,
  `datahora` datetime DEFAULT NULL,
  `valor` int(10) UNSIGNED DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Acionadores `leiturakadson`
--
DELIMITER $$
CREATE TRIGGER `tgdeleteleiturakadson` AFTER DELETE ON `leiturakadson` FOR EACH ROW BEGIN

UPDATE mackadson
SET contador=contador-1
WHERE idmackadson=old.mackadson_idmackadson;

END
$$
DELIMITER ;
DELIMITER $$
CREATE TRIGGER `tginsertleiturakadson` AFTER INSERT ON `leiturakadson` FOR EACH ROW BEGIN

UPDATE mackadson
SET contador=contador+1
WHERE idmackadson=new.mackadson_idmackadson;

END
$$
DELIMITER ;
DELIMITER $$
CREATE TRIGGER `tgvalidamackadson` BEFORE INSERT ON `leiturakadson` FOR EACH ROW BEGIN

CALL validamackadson(new.mackadson_idmackadson, @ativo, @contador, @limite);

IF @ativo=0 THEN SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Mac Inativo no Banco! Revalide o ID.';
END IF;

IF @contador>=@limite THEN SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Limite de Leituras no Banco Atingido.';
END IF;

END
$$
DELIMITER ;

-- --------------------------------------------------------

--
-- Estrutura para tabela `mackadson`
--

CREATE TABLE `mackadson` (
  `idmackadson` varchar(17) NOT NULL,
  `nome` varchar(25) DEFAULT NULL,
  `contador` int(10) UNSIGNED DEFAULT 0,
  `limite` int(10) UNSIGNED DEFAULT 0,
  `ativo` tinyint(1) DEFAULT 0
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

--
-- Despejando dados para a tabela `mackadson`
--

INSERT INTO `mackadson` (`idmackadson`, `nome`, `contador`, `limite`, `ativo`) VALUES
('01:01:03', 'Placa de Nazca', 0, 2, 1);

--
-- Índices para tabelas despejadas
--

--
-- Índices de tabela `leiturakadson`
--
ALTER TABLE `leiturakadson`
  ADD PRIMARY KEY (`idleiturakadson`),
  ADD KEY `leiturakadson_FKIndex1` (`mackadson_idmackadson`);

--
-- Índices de tabela `mackadson`
--
ALTER TABLE `mackadson`
  ADD PRIMARY KEY (`idmackadson`);

--
-- AUTO_INCREMENT para tabelas despejadas
--

--
-- AUTO_INCREMENT de tabela `leiturakadson`
--
ALTER TABLE `leiturakadson`
  MODIFY `idleiturakadson` int(10) UNSIGNED NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=5;

--
-- Restrições para tabelas despejadas
--

--
-- Restrições para tabelas `leiturakadson`
--
ALTER TABLE `leiturakadson`
  ADD CONSTRAINT `leiturakadson_ibfk_1` FOREIGN KEY (`mackadson_idmackadson`) REFERENCES `mackadson` (`idmackadson`) ON DELETE NO ACTION ON UPDATE NO ACTION;
COMMIT;

/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;