package suite

import (
	"fmt"
	"testing"
)

func TestS2RequiresEveryAnswerField(t *testing.T) {
	asked := []ItemRevision{{ItemID: "doc", Revision: 0}, {ItemID: "other", Revision: 3}}
	valid := `{"item_id":"other","revision":3,"result":"VISIBLE"}`
	for _, row := range []string{
		`{"item_id":"doc","result":"VISIBLE"}`,
		`{"item_id":"doc","revision":null,"result":"VISIBLE"}`,
		`{"revision":0,"result":"VISIBLE"}`,
		`{"item_id":null,"revision":0,"result":"VISIBLE"}`,
		`{"item_id":"doc","revision":0}`,
		`{"item_id":"doc","revision":0,"result":null}`,
		`null`,
	} {
		for _, rows := range []string{row + "," + valid, valid + "," + row} {
			t.Run(rows, func(t *testing.T) {
				body := []byte(`{"results":[` + rows + `]}`)
				assertResults(t, DecodeS2(asked, 200, body), []Authorization{UNKNOWN, UNKNOWN})
			})
		}
	}
}

func TestS2ExplicitZeroRevisionRemainsValid(t *testing.T) {
	for _, result := range []Authorization{VISIBLE, NOT_VISIBLE, STALE, UNKNOWN} {
		body := []byte(fmt.Sprintf(`{"results":[{"item_id":"doc","revision":0,"result":%q}]}`, result))
		assertResults(t, DecodeS2([]ItemRevision{{ItemID: "doc", Revision: 0}}, 200, body), []Authorization{result})
	}
}

func TestS2IncompleteDuplicateCannotBeDiscarded(t *testing.T) {
	valid := `{"item_id":"doc","revision":0,"result":"VISIBLE"}`
	incomplete := `{"item_id":"doc","result":"NOT_VISIBLE"}`
	for _, rows := range []string{valid + "," + incomplete, incomplete + "," + valid} {
		body := []byte(`{"results":[` + rows + `]}`)
		assertResults(t, DecodeS2([]ItemRevision{{ItemID: "doc", Revision: 0}}, 200, body), []Authorization{UNKNOWN})
	}
}

func TestS2MissingIdentityDoesNotMatchEmptyAskedIdentity(t *testing.T) {
	for _, row := range []string{`{"revision":0,"result":"VISIBLE"}`, `{"item_id":null,"revision":0,"result":"VISIBLE"}`} {
		body := []byte(`{"results":[` + row + `]}`)
		assertResults(t, DecodeS2([]ItemRevision{{ItemID: "", Revision: 0}}, 200, body), []Authorization{UNKNOWN})
	}
}