import { json } from '@sveltejs/kit';
import type { RequestHandler } from './$types';
import { apiBody, apiFailure, pageInput } from '#lib/server/api-http.js';
import {
	createPiece,
	getPiece,
	listPieces,
	savePiece,
	type PieceStatus
} from '#lib/server/content.js';
import {
	auditTechnical,
	authenticateTechnical,
	idempotentResponse
} from '#lib/server/technical-access.js';

export const GET: RequestHandler = ({ request, url }) => {
	try {
		authenticateTechnical(request);
		const { limit, offset } = pageInput(url);
		const status = url.searchParams.get('status') as PieceStatus | null;
		const statuses = status ? [status] : (['inbox', 'preparing', 'ready'] as PieceStatus[]);
		const all = listPieces({ statuses, query: url.searchParams.get('q') ?? '' });
		return json({
			data: all.slice(offset, offset + limit),
			pagination: { limit, offset, total: all.length }
		});
	} catch (cause) {
		return apiFailure(cause);
	}
};

export const POST: RequestHandler = async ({ request }) => {
	try {
		const actor = authenticateTechnical(request, true);
		const body = await apiBody(request);
		const result = idempotentResponse(actor, request, body, () => {
			const id = createPiece('blank');
			const piece = getPiece(id)!;
			savePiece(id, piece.revision, {
				...piece,
				title: String(body.title ?? ''),
				summary: String(body.summary ?? ''),
				status: ['inbox', 'preparing', 'ready'].includes(String(body.status))
					? (body.status as 'inbox' | 'preparing' | 'ready')
					: 'preparing',
				durationSeconds: Number(body.durationSeconds ?? 0),
				sources: Array.isArray(body.sources)
					? body.sources.map((source) => ({
							label: String((source as Record<string, unknown>).label ?? ''),
							url: String((source as Record<string, unknown>).url ?? ''),
							timecodeSeconds:
								(source as Record<string, unknown>).timecodeSeconds == null
									? null
									: Number((source as Record<string, unknown>).timecodeSeconds)
						}))
					: []
			});
			auditTechnical(actor, 'piece.create', 'piece', id);
			return { status: 201, body: { data: getPiece(id) } };
		});
		return json(result.body, {
			status: result.status,
			headers: { 'Idempotency-Replayed': result.duplicate ? 'true' : 'false' }
		});
	} catch (cause) {
		return apiFailure(cause);
	}
};