//! NPC 领域模型。
//!
//! 本文件只承载 NPC 聚合状态、关系、立场和交互值对象；对话文本、战斗初始化和任务联动由外层应用服务或 adapter 编排。

use serde::{Deserialize, Serialize};
#[cfg(feature = "spacetime-types")]
use spacetimedb::SpacetimeType;

pub const NPC_STATE_ID_PREFIX: &str = "npcstate_";
pub const MAX_STANCE_NOTES: usize = 3;
pub const NPC_RECRUIT_AFFINITY_THRESHOLD: i32 = 60;
pub const NPC_PREVIEW_TALK_FUNCTION_ID: &str = "npc_preview_talk";
pub const NPC_CHAT_FUNCTION_ID: &str = "npc_chat";
pub const NPC_HELP_FUNCTION_ID: &str = "npc_help";
pub const NPC_RECRUIT_FUNCTION_ID: &str = "npc_recruit";
pub const NPC_FIGHT_FUNCTION_ID: &str = "npc_fight";
pub const NPC_SPAR_FUNCTION_ID: &str = "npc_spar";
pub const NPC_LEAVE_FUNCTION_ID: &str = "npc_leave";

#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub enum NpcRelationStance {
    Hostile,
    Guarded,
    Neutral,
    Cooperative,
    Bonded,
}

#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub enum NpcSocialActionKind {
    Chat,
    Help,
    Gift,
    Recruit,
    QuestAccept,
}

#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub enum NpcInteractionStatus {
    Previewed,
    Dialogue,
    Resolved,
    Recruited,
    BattlePending,
    Left,
}

#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub enum NpcInteractionBattleMode {
    Fight,
    Spar,
}

#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub struct NpcRelationState {
    pub affinity: i32,
    pub stance: NpcRelationStance,
}

#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub struct NpcStanceProfile {
    pub trust: u8,
    pub warmth: u8,
    pub ideological_fit: u8,
    pub fear_or_guard: u8,
    pub loyalty: u8,
    pub current_conflict_tag: Option<String>,
    pub recent_approvals: Vec<String>,
    pub recent_disapprovals: Vec<String>,
}

#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub struct NpcStateSnapshot {
    pub npc_state_id: String,
    pub runtime_session_id: String,
    pub npc_id: String,
    pub npc_name: String,
    pub affinity: i32,
    pub relation_state: NpcRelationState,
    pub help_used: bool,
    pub chatted_count: u32,
    pub gifts_given: u32,
    pub recruited: bool,
    pub trade_stock_signature: Option<String>,
    pub revealed_facts: Vec<String>,
    pub known_attribute_rumors: Vec<String>,
    pub first_meaningful_contact_resolved: bool,
    pub seen_backstory_chapter_ids: Vec<String>,
    pub stance_profile: NpcStanceProfile,
    pub created_at_micros: i64,
    pub updated_at_micros: i64,
}