package queries

const CREATE_ORDER = `
INSERT INTO order_record(user_id, orderer, date_due, date_placed) VALUES ($1, $2, $3, $4);
`

const GET_ORDER_BY_ORDER_INFORMATION = `
SELECT
	id,
	user_id,
	orderer,
	date_due,
	date_placed,
	amount_paid,
	filled,
	delivered
FROM
	order_record
WHERE
	user_id = $1
	AND orderer = $2
	AND date_placed = $3;
`

const SET_ORDER_FILLED = `
UPDATE order_record SET filled = $1 WHERE id = $2
`

const SET_ORDER_DELIVERED = `
UPDATE order_record SET delivered = $1 WHERE id = $2
`

const SET_ORDER_PAID = `
UPDATE order_record SET amount_paid = $1 WHERE id = $2
`

const GET_ORDER_TOTAL_AND_BALANCE = `
SELECT
	orec.id,
	order_total - orec.amount_paid AS balance
FROM
	order_record orec
	INNER JOIN (
		SELECT 
			orec.id,
			SUM(quantity * price) AS order_total
		FROM
			order_record orec
			INNER JOIN order_item oi ON oi.order_id = orec.id
			INNER JOIN item i ON oi.item_id = i.id
				AND oi.order_id = 1
			INNER JOIN item_price_history iph ON iph.item_id = i.id
				AND iph.valid_from <= oi.created_at
				AND (iph.valid_to IS NULL OR iph.valid_to > oi.created_at)
		GROUP BY orec.id
	) totals ON orec.id = totals.id
`