//! runtime story 应用编排落位。
//!
//! 这里组合纯领域规则并返回后端投影；真实保存、SSE 和模型调用由外层完成。

use serde_json::Value;
use shared_contracts::runtime_story::RuntimeStoryPatch;

use crate::{StoryResolution, read_bool_field, read_optional_string_field};

pub fn simple_story_resolution(
    game_state: &Value,
    action_text: String,
    result_text: &str,
) -> StoryResolution {
    StoryResolution {
        action_text,
        result_text: result_text.to_string(),
        story_text: None,
        presentation_options: None,
        saved_current_story: None,
        patches: vec![build_status_patch(game_state)],
        battle: None,
        toast: None,
    }
}

pub fn build_status_patch(game_state: &Value) -> RuntimeStoryPatch {
    RuntimeStoryPatch::StatusChanged {
        in_battle: read_bool_field(game_state, "inBattle").unwrap_or(false),
        npc_interaction_active: read_bool_field(game_state, "npcInteractionActive")
            .unwrap_or(false),
        current_npc_battle_mode: read_optional_string_field(game_state, "currentNpcBattleMode"),
        current_npc_battle_outcome: read_optional_string_field(
            game_state,
            "currentNpcBattleOutcome",
        ),
    }
}

pub fn current_world_type(game_state: &Value) -> Option<String> {
    read_optional_string_field(game_state, "worldType")
}