use serde_json::Value;
use shared_contracts::runtime_story::{
    RuntimeBattlePresentation, RuntimeStoryActionRequest, RuntimeStoryOptionView,
    RuntimeStoryPatch, RuntimeStorySnapshotPayload,
};

pub mod battle;
#[cfg(test)]
mod battle_tests;
pub mod core;
pub mod forge;
pub mod forge_actions;
pub mod game_state;
pub mod npc_support;
pub mod options;
pub mod post_battle;
pub mod prompt_context;
pub mod story_engine;
pub mod view_model;

pub use battle::{
    build_battle_runtime_story_options, inventory_item_has_usable_effect, resolve_battle_action,
    restore_player_resource,
};
pub use core::{
    MAX_PLAYER_LEVEL, add_player_currency, add_player_inventory_items, append_active_build_buffs,
    append_story_history, clear_encounter_only, clear_encounter_state, cumulative_xp_required,
    ensure_json_object, first_hostile_npc_string_field, format_now_rfc3339,
    grant_player_progression_experience, increment_runtime_stat, normalize_optional_string,
    normalize_required_string, read_array_field, read_bool_field, read_field, read_i32_field,
    read_object_field, read_optional_string_field, read_required_string_field,
    read_runtime_session_id, read_u32_field, remove_player_inventory_item,
    resolve_progression_level, write_bool_field, write_current_encounter_i32_field,
    write_first_hostile_npc_i32_field, write_i32_field, write_null_field, write_string_field,
    write_u32_field, xp_to_next_level_for,
};
pub use forge::{build_runtime_equipment_item, build_runtime_material_item, format_currency_text};
pub use forge_actions::{
    resolve_forge_craft_action, resolve_forge_dismantle_action, resolve_forge_reforge_action,
};
pub use game_state::{
    add_inventory_items_to_list, apply_equipment_loadout_to_state, battle_mode_text,
    build_current_build_toast, clone_inventory_item_with_quantity, current_encounter_id,
    current_encounter_name, current_encounter_name_from_battle, ensure_inventory_action_available,
    equipment_bonus_fallbacks, equipment_item_bonuses, equipment_slot_label,
    find_player_inventory_entry, has_giftable_player_inventory, item_rarity_key,
    normalize_equipment_slot_id, normalize_equipped_item, read_equipment_total_bonuses,
    read_inventory_item_name, read_player_equipment_item, read_player_inventory_values,
    read_runtime_equipment_bonus_cache, remove_inventory_item_from_list,
    resolve_equipment_slot_for_item, write_player_equipment_item, write_player_inventory_values,
    write_runtime_equipment_bonus_cache,
};
pub use npc_support::{
    build_npc_gift_result_text, build_runtime_npc_interaction_view, npc_buyback_price,
    npc_purchase_price, recruit_companion_to_party, resolve_npc_gift_affinity_gain,
    trade_quantity_suffix, write_runtime_npc_interaction_view,
};
pub use options::{
    build_disabled_runtime_story_option, build_runtime_story_option_from_story_option,
    build_runtime_story_option_interaction, build_runtime_story_option_with_payload,
    build_static_runtime_story_option, build_story_option_from_runtime_option, infer_option_scope,
};
pub use post_battle::{
    finalize_post_battle_resolution, is_terminal_battle_outcome, resolve_post_battle_story_options,
};
pub use prompt_context::{RuntimeStoryPromptContextExtras, build_runtime_story_prompt_context};
pub use story_engine::project_story_engine_after_action;
pub use view_model::{
    build_runtime_story_companions, build_runtime_story_encounter, build_runtime_story_view_model,
    resolve_current_encounter_npc_state,
};

pub const CONTINUE_ADVENTURE_FUNCTION_ID: &str = "story_continue_adventure";
pub const MAX_TASK5_COMPANIONS: usize = 2;

pub struct StoryResolution {
    pub action_text: String,
    pub result_text: String,
    pub story_text: Option<String>,
    pub presentation_options: Option<Vec<RuntimeStoryOptionView>>,
    pub saved_current_story: Option<Value>,
    pub patches: Vec<RuntimeStoryPatch>,
    pub battle: Option<RuntimeBattlePresentation>,
    pub toast: Option<String>,
}

pub struct GeneratedStoryPayload {
    pub story_text: String,
    pub history_result_text: String,
    pub presentation_options: Vec<RuntimeStoryOptionView>,
    pub saved_current_story: Value,
}

pub struct CurrentEncounterNpcQuestContext {
    pub npc_id: String,
    pub npc_name: String,
}

pub struct PendingQuestOfferContext {
    pub dialogue: Vec<Value>,
    pub turn_count: i32,
    pub custom_input_placeholder: String,
    pub quest: Value,
    pub quest_id: String,
    pub intro_text: Option<String>,
}

pub struct RuntimeStoryActionResponseParts {
    pub requested_session_id: String,
    pub server_version: u32,
    pub snapshot: RuntimeStorySnapshotPayload,
    pub action_text: String,
    pub result_text: String,
    pub story_text: String,
    pub options: Vec<RuntimeStoryOptionView>,
    pub patches: Vec<RuntimeStoryPatch>,
    pub toast: Option<String>,
    pub battle: Option<RuntimeBattlePresentation>,
}

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 resolve_action_text(default_text: &str, request: &RuntimeStoryActionRequest) -> String {
    request
        .action
        .payload
        .as_ref()
        .and_then(|payload| read_optional_string_field(payload, "optionText"))
        .unwrap_or_else(|| default_text.to_string())
}

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")
}