using GeometryTD.Definition;

namespace GeometryTD.UI
{
    public static class RepoParticipantAssignDialogUtility
    {
        public static DialogFormRawData BuildDialog(
            ParticipantTowerAssignResult result,
            int maxParticipantCount)
        {
            return new DialogFormRawData
            {
                Mode = 1,
                Title = "无法加入参战区",
                Message = BuildMessage(result, maxParticipantCount),
                PauseGame = false,
                ConfirmText = "知道了"
            };
        }

        private static string BuildMessage(
            ParticipantTowerAssignResult result,
            int maxParticipantCount)
        {
            if (result == null)
            {
                return "当前无法加入参战区，请稍后重试。";
            }

            switch (result.FailureReason)
            {
                case ParticipantTowerAssignFailureReason.TowerMissing:
                    return $"塔 #{result.TowerInstanceId} 已不存在，无法加入参战区。";
                case ParticipantTowerAssignFailureReason.InvalidTower:
                    return $"塔 #{result.TowerInstanceId} {CombatParticipantTowerValidationText.GetFailureReasonMessage(result.ValidationFailureReason)}";
                case ParticipantTowerAssignFailureReason.AlreadyAssigned:
                    return $"塔 #{result.TowerInstanceId} 已在参战区中。";
                case ParticipantTowerAssignFailureReason.ParticipantAreaFull:
                    return $"参战区已满，最多只能放入 {maxParticipantCount} 座塔。";
                default:
                    return "当前无法加入参战区，请稍后重试。";
            }
        }
    }
}