package domain

import "testing"

func TestRatingsAndCaptainInvariants(t *testing.T) {
	if err := (Ratings{Tank: 1, Damage: 40, Support: 20}).Validate(); err != nil {
		t.Fatal(err)
	}
	if err := (Ratings{Tank: 0, Damage: 20, Support: 20}).Validate(); err == nil {
		t.Fatal("expected invalid rating")
	}
	team := Team{Slots: []Slot{{PlayerID: "p1", Role: Tank}}}
	if err := team.AssignCaptain("outsider"); err == nil {
		t.Fatal("outsider was assigned captain")
	}
	if err := team.AssignCaptain("p1"); err != nil || team.CaptainPlayerID != "p1" {
		t.Fatalf("valid captain rejected: %v", err)
	}
}

func TestPlayerPreferenceLimits(t *testing.T) {
	player := Player{ID: "p1", PreferredRoles: []Role{Tank, Support}, PreferredPlayerIDs: []string{"p2", "p3", "p4"}}
	if err := player.ValidatePreferences(); err != nil {
		t.Fatal(err)
	}
	player.PreferredPlayerIDs = append(player.PreferredPlayerIDs, "p5")
	if err := player.ValidatePreferences(); err == nil {
		t.Fatal("expected teammate preference limit")
	}
}

func TestSeriesBestOfThree(t *testing.T) {
	s := Series{TeamAID: "a", TeamBID: "b", BestOf: 3}
	for _, outcome := range []MapOutcome{TeamAWin, Draw, TeamAWin} {
		if err := s.RecordResult(MapResult{MapName: "map", Outcome: outcome}); err != nil {
			t.Fatal(err)
		}
	}
	if s.WinnerTeamID != "a" || s.Version != 3 {
		t.Fatalf("unexpected completed series: %+v", s)
	}
	if err := s.RecordResult(MapResult{MapName: "late", Outcome: TeamBWin}); err == nil {
		t.Fatal("accepted result after completion")
	}
}

func TestSeriesResultCorrectionPreservesHistoryAndRecalculatesWinner(t *testing.T) {
	s := Series{TeamAID: "a", TeamBID: "b", BestOf: 3}
	_ = s.RecordResult(MapResult{MapName: "one", Outcome: TeamAWin})
	_ = s.RecordResult(MapResult{MapName: "two", Outcome: TeamAWin})
	if s.WinnerTeamID != "a" {
		t.Fatal("series should initially be won by team A")
	}
	if err := s.CorrectResult(1, MapResult{MapName: "two", Outcome: TeamBWin}); err != nil {
		t.Fatal(err)
	}
	if s.WinnerTeamID != "" || len(s.Results) != 3 || s.Results[2].CorrectionOf != 2 {
		t.Fatalf("unexpected corrected series: %+v", s)
	}
}