import 'dotenv/config';
import { pool } from '../src/lib/server/db/client';
import {
	runRemindersOnce,
	type RunResult
} from '../src/lib/server/services/maintenance-reminders';

function stripSurroundingQuotes(s: string | undefined): string | undefined {
	if (!s || s.length < 2) return s;
	const first = s[0];
	const last = s[s.length - 1];
	if ((first === "'" && last === "'") || (first === '"' && last === '"')) {
		return s.slice(1, -1);
	}
	return s;
}

function readArg(flag: string, fallback?: string): string | undefined {
	const i = process.argv.indexOf(flag);
	return stripSurroundingQuotes(i >= 0 ? process.argv[i + 1] : fallback);
}

function hasFlag(flag: string): boolean {
	return process.argv.includes(flag);
}

async function main(): Promise<void> {
	const soonRaw = readArg('--soon-days', '7') ?? '7';
	const soonDays = Number.parseInt(soonRaw, 10);
	if (!Number.isFinite(soonDays) || soonDays < 0 || soonDays > 365) {
		console.error('--soon-days must be an integer in [0, 365]');
		process.exit(2);
	}
	const companyId = readArg('--company');
	const dryRun = hasFlag('--dry-run');
	const backfill = hasFlag('--backfill');

	if (dryRun && backfill) {
		console.error('--dry-run and --backfill are mutually exclusive');
		process.exit(2);
	}

	const startedAt = new Date();
	let result: RunResult;
	try {
		result = await runRemindersOnce({ companyId, soonDays, dryRun, backfill });
	} catch (e) {
		console.error(JSON.stringify({ ok: false, error: (e as Error).message }));
		process.exit(1);
	}

	const out = {
		ok: true,
		startedAt: startedAt.toISOString(),
		durationMs: Date.now() - startedAt.getTime(),
		soonDays,
		companyId: companyId ?? null,
		...result
	};
	// Single-line JSON so journald/grep handle it cleanly.
	console.log(JSON.stringify(out));
}

main()
	.catch((e) => {
		console.error(JSON.stringify({ ok: false, error: (e as Error).message }));
		process.exitCode = 1;
	})
	.finally(async () => {
		await pool.end().catch(() => {});
	});