//! 大鱼吃小鱼领域错误。
//!
//! 错误只表达玩法规则失败，由 HTTP 和 SpacetimeDB adapter 分别映射展示。

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

/// 大鱼吃小鱼应用服务错误。
///
/// 这里不携带 HTTP status 或 SpacetimeDB 字符串错误，避免领域层泄漏 adapter 语义。
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum BigFishApplicationError {
    MissingSessionId,
    MissingOwnerUserId,
    MissingRunId,
    InvalidRuntimeInput,
}

impl fmt::Display for BigFishApplicationError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Self::MissingSessionId => f.write_str("big_fish.session_id 不能为空"),
            Self::MissingOwnerUserId => f.write_str("big_fish.owner_user_id 不能为空"),
            Self::MissingRunId => f.write_str("big_fish.run_id 不能为空"),
            Self::InvalidRuntimeInput => f.write_str("big_fish.runtime_input 非法"),
        }
    }
}

impl Error for BigFishApplicationError {}

#[derive(Clone, Debug, PartialEq, Eq)]
pub enum BigFishFieldError {
    MissingSessionId,
    MissingOwnerUserId,
    MissingMessageId,
    MissingMessageText,
    MissingDraft,
    InvalidLevel,
    InvalidAssetKind,
    MissingRunId,
    InvalidRuntimeInput,
}

impl fmt::Display for BigFishFieldError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            Self::MissingSessionId => f.write_str("big_fish.session_id 不能为空"),
            Self::MissingOwnerUserId => f.write_str("big_fish.owner_user_id 不能为空"),
            Self::MissingMessageId => f.write_str("big_fish.message_id 不能为空"),
            Self::MissingMessageText => f.write_str("big_fish.message_text 不能为空"),
            Self::MissingDraft => f.write_str("big_fish.draft 尚未编译"),
            Self::InvalidLevel => f.write_str("big_fish.level 不在合法等级范围内"),
            Self::InvalidAssetKind => f.write_str("big_fish.asset_kind 或动作位非法"),
            Self::MissingRunId => f.write_str("big_fish.run_id 不能为空"),
            Self::InvalidRuntimeInput => f.write_str("big_fish.runtime_input 非法"),
        }
    }
}

impl Error for BigFishFieldError {}