use std::{error::Error, fmt};

#[derive(Clone, Debug, PartialEq, Eq)]
pub enum CreativeAgentError {
    MissingSessionId,
    MissingOwnerUserId,
    MissingMessageId,
    MissingMessageText,
    MissingTemplateSelection,
    MissingCostRange,
    MissingTargetSessionId,
    InvalidStageTransition,
    TemplateNotConfirmed,
    UnsupportedTargetPlayType,
}

impl fmt::Display for CreativeAgentError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let message = match self {
            Self::MissingSessionId => "creative session_id 缺失",
            Self::MissingOwnerUserId => "creative owner_user_id 缺失",
            Self::MissingMessageId => "creative message_id 缺失",
            Self::MissingMessageText => "creative message text 缺失",
            Self::MissingTemplateSelection => "拼图模板选择缺失",
            Self::MissingCostRange => "拼图模板积分范围缺失",
            Self::MissingTargetSessionId => "目标拼图 session 缺失",
            Self::InvalidStageTransition => "创意 Agent 阶段迁移不合法",
            Self::TemplateNotConfirmed => "拼图模板未确认，不能创建草稿",
            Self::UnsupportedTargetPlayType => "Phase 1 只允许绑定拼图 target",
        };
        write!(f, "{message}")
    }
}

impl Error for CreativeAgentError {}