package domain

import "fmt"

type RankedParticipant struct {
	PlayerID   string
	SteamID    string
	PartyID    string
	IsBot      bool
	IsBackfill bool
}

type RankedArena struct {
	RandomEnabled bool
	ElevatedGoals bool
}

func ValidateRankedAdmission(participants []RankedParticipant, arena RankedArena) error {
	if len(participants) != 6 || !arena.RandomEnabled || arena.ElevatedGoals {
		return fmt.Errorf("ranked admission requirements not met")
	}
	seenPlayers := make(map[string]bool, len(participants))
	seenSteam := make(map[string]bool, len(participants))
	for _, participant := range participants {
		if participant.PlayerID == "" || participant.SteamID == "" || participant.PartyID != "" || participant.IsBot || participant.IsBackfill || seenPlayers[participant.PlayerID] || seenSteam[participant.SteamID] {
			return fmt.Errorf("ranked requires six unique verified solo humans")
		}
		seenPlayers[participant.PlayerID] = true
		seenSteam[participant.SteamID] = true
	}
	return nil
}