// Generates prisma/schema.sqlite.prisma from the canonical schema.prisma by
// swapping only the datasource provider to sqlite. Keeping a single source of
// truth for the models avoids drift; the sqlite schema is used for local tests
// (PrismaClient with a mysql provider cannot use a `file:` URL).
import { readFileSync, writeFileSync } from 'node:fs';
import { resolve } from 'node:path';

const src = resolve('prisma/schema.prisma');
const dest = resolve('prisma/schema.sqlite.prisma');

const original = readFileSync(src, 'utf8');
if (!/provider\s*=\s*"mysql"/.test(original)) {
  throw new Error('Expected datasource provider "mysql" in schema.prisma');
}
const sqlite = original.replace(/provider\s*=\s*"mysql"/, 'provider = "sqlite"');
const banner = '// AUTO-GENERATED from schema.prisma by scripts/make-sqlite-schema.mjs — do not edit.\n';
writeFileSync(dest, banner + sqlite);
console.log(`Wrote ${dest} (sqlite provider) from schema.prisma`);