package apperr

import (
	"testing"

	"github.com/carlosframework/platform/internal/applog"
)

func TestIsAvailability(t *testing.T) {
	for _, c := range []struct {
		r    Record
		want bool
	}{
		{Record{Source: SourceEdge, Kind: KindUnavailable, Status: 502}, true},
		{Record{Source: SourceEdge, Kind: KindHTTP, Status: 503}, true}, // written before the amendment
		{Record{Source: SourceEdge, Kind: KindHTTP, Status: 504}, true},
		{Record{Source: SourceEdge, Kind: KindHTTP, Status: 500}, false}, // the app's own failure
		{Record{Source: SourceEdge, Kind: KindHTTP, Status: 505}, false},
		{Record{Source: SourceLog, Stream: applog.StreamPlatform, Level: "error"}, true},
		{Record{Source: SourceLog, Stream: applog.StreamApp, Level: "error"}, false},
		{Record{Source: SourceServer, Status: 503}, false},
	} {
		if got := IsAvailability(c.r); got != c.want {
			t.Errorf("IsAvailability(%+v) = %v, want %v", c.r, got, c.want)
		}
	}
}

// TestAsAvailabilityRegroupsHistory: records the edge filed before the
// amendment, one per path, collapse into one row per status.
func TestAsAvailabilityRegroupsHistory(t *testing.T) {
	a := AsAvailability(Record{Source: SourceEdge, Kind: KindHTTP, Status: 502, Name: "502 GET /.env", Path: "/.env", FP: "old1"})
	b := AsAvailability(Record{Source: SourceEdge, Kind: KindHTTP, Status: 502, Name: "502 GET /phpinfo.php", Path: "/phpinfo.php", FP: "old2"})
	c := AsAvailability(Record{Source: SourceEdge, Kind: KindHTTP, Status: 503, Name: "503 GET /.env", Path: "/.env", FP: "old3"})
	if a.FP != b.FP || a.FP == c.FP {
		t.Fatalf("fps = %s %s %s: want one per status", a.FP, b.FP, c.FP)
	}
	if a.Name != "502 · cause not recorded" || a.Kind != KindUnavailable || a.Path != "/.env" {
		t.Fatalf("regrouped = %+v", a)
	}
	// A new record is already in shape; a 500 is not Availability at all.
	fresh := Record{Source: SourceEdge, Kind: KindUnavailable, Status: 502, Cause: CauseRefused, Name: AvailabilityName(502, CauseRefused), FP: "keep"}
	if got := AsAvailability(fresh); got.FP != "keep" {
		t.Fatalf("a new record was regrouped: %+v", got)
	}
	if got := AsAvailability(Record{Source: SourceEdge, Kind: KindHTTP, Status: 500, FP: "keep"}); got.FP != "keep" {
		t.Fatalf("a 500 was regrouped: %+v", got)
	}
	if got := AvailabilityName(503, "martian"); got != "503 · martian" {
		t.Fatalf("an unknown cause renders as itself, got %q", got)
	}
}