"use client";

import { create } from "zustand";
import { createJSONStorage, persist } from "zustand/middleware";
import type { KisTradingEnv } from "@/features/dashboard/types/dashboard.types";

/**
 * @file features/dashboard/store/use-kis-runtime-store.ts
 * @description KIS 키 입력/검증 상태를 zustand로 관리하고 새로고침 시 복원합니다.
 */

export interface KisRuntimeCredentials {
  appKey: string;
  appSecret: string;
  tradingEnv: KisTradingEnv;
}

interface KisRuntimeStoreState {
  // [State] 입력 폼 상태
  kisTradingEnvInput: KisTradingEnv;
  kisAppKeyInput: string;
  kisAppSecretInput: string;

  // [State] 검증/연동 상태
  verifiedCredentials: KisRuntimeCredentials | null;
  isKisVerified: boolean;
  tradingEnv: KisTradingEnv;
}

interface KisRuntimeStoreActions {
  /**
   * 거래 모드 입력값을 변경하고 기존 검증 상태를 무효화합니다.
   * @param tradingEnv 거래 모드
   * @see features/dashboard/components/dashboard-main.tsx 거래 모드 버튼 onClick 이벤트
   */
  setKisTradingEnvInput: (tradingEnv: KisTradingEnv) => void;
  /**
   * 앱 키 입력값을 변경하고 기존 검증 상태를 무효화합니다.
   * @param appKey 앱 키
   * @see features/dashboard/components/dashboard-main.tsx App Key onChange 이벤트
   */
  setKisAppKeyInput: (appKey: string) => void;
  /**
   * 앱 시크릿 입력값을 변경하고 기존 검증 상태를 무효화합니다.
   * @param appSecret 앱 시크릿
   * @see features/dashboard/components/dashboard-main.tsx App Secret onChange 이벤트
   */
  setKisAppSecretInput: (appSecret: string) => void;
  /**
   * 검증 성공 상태를 저장합니다.
   * @param credentials 검증 완료된 키
   * @param tradingEnv 현재 연동 모드
   * @see features/dashboard/components/dashboard-main.tsx handleValidateKis
   */
  setVerifiedKisSession: (credentials: KisRuntimeCredentials, tradingEnv: KisTradingEnv) => void;
  /**
   * 검증 실패 또는 입력 변경 시 검증 상태만 초기화합니다.
   * @see features/dashboard/components/dashboard-main.tsx handleValidateKis catch
   */
  invalidateKisVerification: () => void;
  /**
   * 접근 폐기 시 입력값/검증값을 모두 제거합니다.
   * @param tradingEnv 표시용 모드
   * @see features/dashboard/components/dashboard-main.tsx handleRevokeKis
   */
  clearKisRuntimeSession: (tradingEnv: KisTradingEnv) => void;
}

const INITIAL_STATE: KisRuntimeStoreState = {
  kisTradingEnvInput: "real",
  kisAppKeyInput: "",
  kisAppSecretInput: "",
  verifiedCredentials: null,
  isKisVerified: false,
  tradingEnv: "real",
};

export const useKisRuntimeStore = create<KisRuntimeStoreState & KisRuntimeStoreActions>()(
  persist(
    (set) => ({
      ...INITIAL_STATE,

      setKisTradingEnvInput: (tradingEnv) =>
        set({
          kisTradingEnvInput: tradingEnv,
          verifiedCredentials: null,
          isKisVerified: false,
        }),

      setKisAppKeyInput: (appKey) =>
        set({
          kisAppKeyInput: appKey,
          verifiedCredentials: null,
          isKisVerified: false,
        }),

      setKisAppSecretInput: (appSecret) =>
        set({
          kisAppSecretInput: appSecret,
          verifiedCredentials: null,
          isKisVerified: false,
        }),

      setVerifiedKisSession: (credentials, tradingEnv) =>
        set({
          verifiedCredentials: credentials,
          isKisVerified: true,
          tradingEnv,
        }),

      invalidateKisVerification: () =>
        set({
          verifiedCredentials: null,
          isKisVerified: false,
        }),

      clearKisRuntimeSession: (tradingEnv) =>
        set({
          kisTradingEnvInput: tradingEnv,
          kisAppKeyInput: "",
          kisAppSecretInput: "",
          verifiedCredentials: null,
          isKisVerified: false,
          tradingEnv,
        }),
    }),
    {
      name: "autotrade-kis-runtime-store",
      storage: createJSONStorage(() => localStorage),
      partialize: (state) => ({
        kisTradingEnvInput: state.kisTradingEnvInput,
        kisAppKeyInput: state.kisAppKeyInput,
        kisAppSecretInput: state.kisAppSecretInput,
        verifiedCredentials: state.verifiedCredentials,
        isKisVerified: state.isKisVerified,
        tradingEnv: state.tradingEnv,
      }),
    },
  ),
);