(use-trait nft 'SP2PABAF9FTAJYNFZH93XENAJ8FVY99RRM50D2JG9.nft-trait.nft-trait)

(define-constant agent-1 'SP3TZ3BCB16A0W0PPFYMGTTWTT3DVWTQEP8DFRAG1)

(define-data-var agent-1-status bool true)


(define-data-var flag bool false)

(define-data-var deal bool false)

(define-constant deal-closed (err u300))
(define-constant cannot-escrow-nft (err u301))
(define-constant cannot-escrow-stx (err u302))
(define-constant sender-already-confirmed (err u303))
(define-constant non-tradable-agent (err u304))
(define-constant release-escrow-failed (err u305))
(define-constant deal-cancelled (err u306))
(define-constant escrow-not-ready (err u307))


;; u501 - Progress ; u502 - Cancelled ; u503 - Finished ; u504 - Escrow Ready
(define-data-var contract-status uint u501)


(define-read-only (check-contract-status) (ok (var-get contract-status)))

(define-private (check-deal) (if (and  (var-get agent-1-status) true) (ok true) (ok false)))

(define-private (check-deal-status) (unwrap-panic (if (and  (var-get agent-1-status)) deal-closed (ok true))))

(define-private (release-escrow)
(begin

	(var-set deal true)
	(var-set contract-status u503)
	(ok true)
))

(define-private (cancel-escrow)
(begin        

	(var-set contract-status u502)
	(ok true)
))

(define-public (confirm-and-escrow)
(begin
	(asserts! (not (is-eq (var-get contract-status) u503)) deal-closed)
	(asserts! (not (is-eq (var-get contract-status) u502)) deal-cancelled)
	(var-set flag false)
	(unwrap-panic (begin

	(ok true)))

	(if (and  (var-get agent-1-status) true)
		(var-set contract-status u504)
		true)
	(if (is-eq (var-get flag) true) (ok true) non-tradable-agent)
))

(define-public (cancel)
(begin (check-deal-status)
	(if (or  (is-eq tx-sender agent-1))
	(begin
	(unwrap-panic (cancel-escrow))
	(ok true))
	non-tradable-agent)
))

(define-public (complete-neoswap)
(begin
	(asserts! (not (is-eq (var-get contract-status) u501)) escrow-not-ready)
	(asserts! (not (is-eq (var-get contract-status) u503)) deal-closed)
	(asserts! (not (is-eq (var-get contract-status) u502)) deal-cancelled)
	(unwrap-panic (release-escrow))
	(ok true)
))
