-- 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: `projeto1`
--

DELIMITER $$
--
-- Procedimentos
--
CREATE DEFINER=`root`@`localhost` PROCEDURE `validamacemily` (IN `$idmac` VARCHAR(17), OUT `$ativo` BOOLEAN, OUT `$contador` INT, OUT `$limite` INT)   BEGIN
SELECT ativo INTO $ativo 
FROM macemily
WHERE idmacemily=$idmac; 

SELECT contador INTO $contador 
FROM macemily
WHERE idmacemily=$idmac;
 
SELECT limite INTO $limite
FROM macemily
WHERE idmacemily=$idmac;

END$$

DELIMITER ;

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

--
-- Estrutura para tabela `leituraemily`
--

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

--
-- Acionadores `leituraemily`
--
DELIMITER $$
CREATE TRIGGER `tgdeleteleituraemily` AFTER DELETE ON `leituraemily` FOR EACH ROW BEGIN
UPDATE macemily
SET contador=contador-1
WHERE idmacemily=old.macemily_idmacemily;
END
$$
DELIMITER ;
DELIMITER $$
CREATE TRIGGER `tginsertleituraemily` AFTER INSERT ON `leituraemily` FOR EACH ROW BEGIN
UPDATE macemily
set contador=contador+1
WHERE 
idmacemily=new.macemily_idmacemily;
END
$$
DELIMITER ;
DELIMITER $$
CREATE TRIGGER `tgvalidamacemily` BEFORE INSERT ON `leituraemily` FOR EACH ROW BEGIN
CALL validamacemily(new.macemily_idmacemily,@ativo,@contador,@limite);

if @ativo=0 then SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'MAC INATIVO';
end if;

if @contador>=@limite then SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'LIMITE DE LEITURAS ATINGIDO';
end if;

END
$$
DELIMITER ;

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

--
-- Estrutura para tabela `macemily`
--

CREATE TABLE `macemily` (
  `idmacemily` 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 `macemily`
--

INSERT INTO `macemily` (`idmacemily`, `nome`, `contador`, `limite`, `ativo`) VALUES
('01:02:03', 'Placa um', 0, 2, 1);

--
-- Índices para tabelas despejadas
--

--
-- Índices de tabela `leituraemily`
--
ALTER TABLE `leituraemily`
  ADD PRIMARY KEY (`idleituraemily`),
  ADD KEY `leituraemily_FKIndex1` (`macemily_idmacemily`);

--
-- Índices de tabela `macemily`
--
ALTER TABLE `macemily`
  ADD PRIMARY KEY (`idmacemily`);

--
-- AUTO_INCREMENT para tabelas despejadas
--

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

--
-- Restrições para tabelas despejadas
--

--
-- Restrições para tabelas `leituraemily`
--
ALTER TABLE `leituraemily`
  ADD CONSTRAINT `leituraemily_ibfk_1` FOREIGN KEY (`macemily_idmacemily`) REFERENCES `macemily` (`idmacemily`) 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 */;