// @ts-check

require("dotenv").config({ path: "./../.env" });

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const varDatabaseDbHandler = require("../package-shared/functions/backend/varDatabaseDbHandler");

/** ****************************************************************************** */
/** ****************************************************************************** */
/** ****************************************************************************** */
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/**
 * Grab Schema
 *
 * @description Grab Schema
 */
varDatabaseDbHandler({
    queryString: `SELECT user_database_tables.*,user_databases.db_full_name FROM user_database_tables JOIN user_databases ON user_database_tables.db_id=user_databases.id`,
    database: "datasquirel",
}).then(async (tables) => {
    for (let i = 0; i < tables.length; i++) {
        const table = tables[i];
        const {
            id,
            user_id,
            db_id,
            db_full_name,
            table_name,
            table_slug,
            table_description,
        } = table;

        const tableInfo = await varDatabaseDbHandler({
            queryString: `SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA='${db_full_name}' AND TABLE_NAME='${table_slug}'`,
            database: db_full_name,
        });

        const updateDbCharset = await varDatabaseDbHandler({
            queryString: `ALTER DATABASE ${db_full_name} CHARACTER SET = utf8mb4 COLLATE = utf8mb4_bin;`,
            database: db_full_name,
        });

        const updateEncoding = await varDatabaseDbHandler({
            queryString: `ALTER TABLE \`${table_slug}\` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_bin`,
            database: db_full_name,
        });
    }

    process.exit();
});

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