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import fs from 'fs';
import path from 'path';
import Database from 'better-sqlite3';
export type DbData = {data: string};
export const db = new Database(
process.env.NODE_ENV === 'test' ? 'test.db' : 'spacetraders.db',
process.env.NODE_ENV === 'development' ? { verbose: console.log } : undefined
);
db.pragma('foreign_keys = ON');
db.pragma('journal_mode = WAL');
function init(): void {
const filenames = fs.readdirSync('./database/');
const allMigrations = filenames.filter(e => e.match(/\.sql$/)).map(e => path.join('./database', e));
db.transaction(function migrate() {
let version;
try {
const res = db.prepare('SELECT version FROM schema_version').get() as {version: number};
version = res.version;
} catch {
version = 0;
}
if (version === allMigrations.length) return;
while (version < allMigrations.length) {
db.exec(fs.readFileSync(allMigrations[version], 'utf8'));
version++;
}
db.exec(`DELETE FROM schema_version; INSERT INTO schema_version (version) VALUES (${version});`);
})();
}
export function reset(): void {
const indices = db.prepare(`SELECT name FROM sqlite_master WHERE type = 'index';`).all() as Array<{name: string}>;
const tables = db.prepare(`SELECT name FROM sqlite_master WHERE type = 'table';`).all() as Array<{name: string}>;
const triggers = db.prepare(`SELECT name FROM sqlite_master WHERE type = 'trigger';`).all() as Array<{name: string}>;
const views = db.prepare(`SELECT name FROM sqlite_master WHERE type = 'view';`).all() as Array<{name: string}>;
indices.forEach(elt => db.exec(`DROP INDEX ${elt.name};`));
tables.forEach(elt => db.exec(`DROP TABLE ${elt.name};`));
triggers.forEach(elt => db.exec(`DROP TRIGGER ${elt.name};`));
views.forEach(elt => db.exec(`DROP VIEW ${elt.name};`));
db.exec(`VACUUM;`);
init();
}
init();
export default db;
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