import { fail } from '@sveltejs/kit';
import { randomUUID } from 'node:crypto';
import { getSessionUser } from '$lib/server/auth/session';
import { requireDataView, requirePermission } from '$lib/server/auth/authorization';
import { getDatabase } from '$lib/server/database';
import { recordIsacAudit } from '$lib/server/audit';
import type { Actions, PageServerLoad } from './$types';

export const load: PageServerLoad = async ({ cookies }) => {
	await requireDataView(await getSessionUser(cookies));
	const ranges = await (await (await getDatabase()).prepare('SELECT * FROM core_attribute_tier_ranges ORDER BY tier')).all();
	return { ranges };
};

export const actions: Actions = {
	saveCoreRanges: async ({ cookies, request }) => {
		const operator = await requirePermission(await getSessionUser(cookies), 'data.manage');
		const form = await request.formData();
		const ranges = [0, 1, 2].map((tier) => ({
			tier,
			min: Number(form.get(`tier${tier}Min`)),
			max: Number(form.get(`tier${tier}Max`))
		}));
		if (ranges.some((range) => !Number.isFinite(range.min) || !Number.isFinite(range.max) || range.min < 0 || range.max < range.min)) {
			return fail(400, { configurationError: 'Every tier requires a valid nominal minimum and maximum.' });
		}
		const database = await getDatabase();
		const before = await (await database.prepare('SELECT * FROM core_attribute_tier_ranges ORDER BY tier')).all();
		const now = new Date().toISOString();
		for (const range of ranges) {
			await (await database.prepare(`INSERT INTO core_attribute_tier_ranges(tier,nominal_min,nominal_max,reference_level,updated_at)
				VALUES(?,?,?,50,?) ON CONFLICT(tier) DO UPDATE SET nominal_min=excluded.nominal_min,nominal_max=excluded.nominal_max,updated_at=excluded.updated_at`))
				.run(range.tier, range.min, range.max, now);
		}
		const after = await (await database.prepare('SELECT * FROM core_attribute_tier_ranges ORDER BY tier')).all();
		await recordIsacAudit({ actorId: operator.id, category: 'game_data', action: 'configuration.core_ranges_updated', entityId: 'core-attribute-tier-ranges', before, after });
		return { configurationSaved: true, resultToken: randomUUID() };
	}
};