import { NextRequest, NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { courtBlocks, courts } from '@/lib/db/schema';
import { eq, gte, and, lte, asc } from 'drizzle-orm';
import { getSession } from '@/lib/session';

export async function GET(request: NextRequest) {
	try {
		const session = await getSession();
		if (!session) {
			return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
		}

		const { searchParams } = new URL(request.url);
		const startDate = searchParams.get('startDate');
		const endDate = searchParams.get('endDate');

		// Default to today if no start date provided
		const today = new Date().toISOString().split('T')[0];
		const queryStartDate = startDate || today;

		// Default to 60 days ahead if no end date provided (8 weeks + buffer)
		const defaultEndDate = new Date();
		defaultEndDate.setDate(defaultEndDate.getDate() + 60);
		const queryEndDate = endDate || defaultEndDate.toISOString().split('T')[0];

		// Fetch blocks with court info for the date range
		const blocks = await db
			.select({
				id: courtBlocks.id,
				courtId: courtBlocks.courtId,
				date: courtBlocks.date,
				startTime: courtBlocks.startTime,
				endTime: courtBlocks.endTime,
				reason: courtBlocks.reason,
				court: {
					id: courts.id,
					name: courts.name,
				},
			})
			.from(courtBlocks)
			.leftJoin(courts, eq(courtBlocks.courtId, courts.id))
			.where(and(gte(courtBlocks.date, queryStartDate), lte(courtBlocks.date, queryEndDate)))
			.orderBy(asc(courtBlocks.date), asc(courtBlocks.startTime));

		return NextResponse.json({ blocks });
	} catch (error) {
		console.error('Error fetching blocks:', error);
		return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
	}
}