"use client";
import { create } from "zustand";
import api from "../services/api";

export interface ScientificTerm {
  key: string;
  term: string;
  definition: string;
  wikiId: string;
}

interface SettingsStore {
  texts: Record<string, string>;
  scientificTerms: Record<string, ScientificTerm>;
  isLoading: boolean;
  isInitialized: boolean;
  fetchSettings: () => Promise<void>;
  getText: (key: string, fallback: string) => string;
  getBoolean: (key: string, fallback: boolean) => boolean;
}

export const useSettingsStore = create<SettingsStore>()((set, get) => ({
  texts: {},
  scientificTerms: {},
  isLoading: false,
  isInitialized: false,
  fetchSettings: async () => {
    set({ isLoading: true });
    try {
      const [textsRes, termsRes] = await Promise.all([
        api.get('/settings/ui-texts'),
        api.get('/settings/scientific-terms'),
      ]);

      const textsObj: Record<string, string> = {};
      if (Array.isArray(textsRes.data)) {
        textsRes.data.forEach((item: { key: string; value: string }) => {
          textsObj[item.key] = item.value;
        });
      }

      const termsObj: Record<string, ScientificTerm> = {};
      if (Array.isArray(termsRes.data)) {
        termsRes.data.forEach((item: ScientificTerm) => {
          termsObj[item.key] = item;
        });
      }

      set({ texts: textsObj, scientificTerms: termsObj });
    } catch (error) {
      console.error("Failed to fetch settings/ui-texts:", error);
    } finally {
      set({ isLoading: false, isInitialized: true });
    }
  },
  getText: (key, fallback) => {
    const texts = get().texts;
    if (!texts) return fallback;
    const value =
      texts[key] ??
      texts[key.toLowerCase()] ??
      texts[key.toUpperCase()];
    if (value === undefined || value === null || value === '') {
      // Special aliases
      if (key === 'contact_phone') return texts['CONTACT_PHONE'] || texts['footer_phone'] || texts['maintenance_contact_phone'] || fallback;
      if (key === 'contact_phone_link') return texts['CONTACT_PHONE_LINK'] || texts['maintenance_contact_phone_link'] || (texts['contact_phone'] ? `tel:${texts['contact_phone'].replace(/[^0-9+]/g, '')}` : fallback);
      if (key === 'site_logo') return texts['BRAND_LOGO_URL'] || texts['brand_logo_url'] || fallback;
      if (key === 'site_logo_text_en') return texts['BRAND_LOGO_TEXT_EN'] || fallback;
      if (key === 'site_logo_text_fa') return texts['BRAND_LOGO_TEXT_FA'] || texts['brand_name_fa'] || fallback;
      if (key === 'site_logo_subtitle') return texts['BRAND_LOGO_SUBTITLE'] || texts['brand_subtitle'] || fallback;
      if (key === 'shipping_fee') return texts['SHIPPING_FEE'] || texts['standardShippingFee'] || fallback;
      if (key === 'free_shipping_threshold') return texts['FREE_SHIPPING_THRESHOLD'] || texts['freeShippingThreshold'] || fallback;
      if (key === 'min_order_amount') return texts['MIN_ORDER_AMOUNT'] || texts['minOrderAmount'] || fallback;
      if (key === 'charity_round_step') return texts['CHARITY_ROUND_STEP'] || texts['charityRoundStep'] || fallback;
      if (key === 'tax_percentage') return texts['TAX_PERCENTAGE'] || texts['taxPercentage'] || fallback;
      return fallback;
    }
    return value;
  },
  getBoolean: (key, fallback) => {
    const texts = get().texts;
    if (!texts) return fallback;
    const value =
      texts[key] ??
      texts[key.toLowerCase()] ??
      texts[key.toUpperCase()];
    if (value === undefined || value === null || value === '') {
      return fallback;
    }
    return value === 'true' || value === '1' || (value as unknown) === true;
  }
}));