import { create } from 'zustand';
import type { Project, GenerationRecord, OptimizeParams, OptimizeResult, Industry, MediaReference } from '../types';
import * as api from '../api';
import { useAuthStore } from './useAuthStore';

const emptyRecordsPage = (): api.GenerationRecordPageListOut => ({
  page: 1,
  pageSize: 10,
  total: 0,
  items: [],
});

interface AppState {
  projects: Project[];
  records: api.GenerationRecordPageListOut;
  loading: boolean;

  // 生成配置状态 - 页面跳转时保留，刷新时重置
  mediaType: string;
  countType: string;
  generationCount: number;
  selectedRatio: string;
  selectedResolution: string;
  width: number;
  height: number;
  videoDuration: number;
  videoAspectRatio: string;
  videoResolution: string;
  engineOptions: {
    ratios: string[];
    resolutions: string[];
    durations: number[];
  };
  enginesele: any;
  inputValue: string;
  currentMedia: MediaReference[];

  fetchProjects: () => Promise<void>;
  createProject: (name: string, industry: Industry) => Promise<Project>;
  deleteProject: (id: string) => Promise<void>;

  fetchRecords: (params?: api.GetRecordsPageParams) => Promise<void>;
  optimizePrompt: (projectId: string, params: OptimizeParams) => Promise<OptimizeResult>;
  generateVideo: (recordId: string) => Promise<GenerationRecord>;
  retryGeneration: (recordId: string) => Promise<GenerationRecord>;
  updateRecordReferences: (recordId: string, references: MediaReference[]) => void;

  // 生成配置状态更新方法
  setMediaType: (mediaType: string) => void;
  setCountType: (countType: string) => void;
  setGenerationCount: (generationCount: number) => void;
  setImageSettings: (ratio: string, resolution: string, width: number, height: number) => void;
  setVideoSettings: (duration: number, aspectRatio: string, resolution: string) => void;
  setEngineOptions: (options: { ratios: string[]; resolutions: string[]; durations: number[] }) => void;
  // 单独的 setter 方法
  setSelectedRatio: (ratio: string) => void;
  setSelectedResolution: (resolution: string) => void;
  setWidth: (width: number) => void;
  setHeight: (height: number) => void;
  setVideoDuration: (duration: number) => void;
  setVideoAspectRatio: (aspectRatio: string) => void;
  setVideoResolution: (resolution: string) => void;
  setEnginesele: (enginesele: any) => void;
  setInputValue: (inputValue: string) => void;
  setCurrentMedia: (currentMedia: MediaReference[]) => void;
  resetGenerationConfig: () => void;
}

export const useAppStore = create<AppState>((set, get) => ({
  projects: [],
  records: emptyRecordsPage(),
  loading: false,

  // 生成配置状态初始值
  mediaType: 'video',
  countType: '请选择',
  generationCount: 1,
  selectedRatio: '1:1',
  selectedResolution: '2K',
  width: 2048,
  height: 2048,
  videoDuration: 5,
  videoAspectRatio: '9:16',
  videoResolution: '720p',
  engineOptions: {
    ratios: ['16:9', '4:3', '1:1', '3:4', '9:16', '21:9'],
    resolutions: ['480p', '720p', '1080p'],
    durations: [5, 8, 10, 12, 15],
  },
  enginesele: [],
  inputValue: '',
  currentMedia: [],

  fetchProjects: async () => {
    set({ loading: true });
    try {
      const projects = await api.getProjects();
      set({ projects, loading: false });
    } catch {
      set({ loading: false });
    }
  },

  createProject: async (name, industry) => {
    const project = await api.createProject(name, industry);
    set({ projects: [project, ...get().projects] });
    return project;
  },

  deleteProject: async (id) => {
    await api.deleteProject(id);
    set({ projects: get().projects.filter((p) => p.id !== id) });
  },

  fetchRecords: async (params = {}) => {
    set({ loading: true });
    try {
      const records = await api.getRecordsPage(params);
      set({ records, loading: false });
    } catch {
      set({ loading: false });
    }
  },

  optimizePrompt: async (projectId, params) => {
    const result = await api.optimizePrompt(projectId, params);
    try { await useAuthStore.getState().checkAuth(); } catch { /* */ }

    const currentRecords = get().records;
    const existingIndex = currentRecords.items.findIndex((item) => item.id === result.record.id);
    const nextItems = existingIndex >= 0
      ? currentRecords.items.map((item) => item.id === result.record.id ? result.record : item)
      : [result.record, ...currentRecords.items];
    set({
      records: {
        ...currentRecords,
        total: existingIndex >= 0 ? currentRecords.total : currentRecords.total + 1,
        items: nextItems,
      },
    });
    return result;
  },

  generateVideo: async (recordId) => {
    const record = await api.generateVideo(recordId);
    try { await useAuthStore.getState().checkAuth(); } catch { /* */ }

    const currentRecords = get().records;
    set({
      records: {
        ...currentRecords,
        items: currentRecords.items.map((r) => (r.id === recordId ? record : r)),
      },
    });
    return record;
  },

  retryGeneration: async (recordId) => {
    const record = await api.retryGeneration(recordId);
    try { await useAuthStore.getState().checkAuth(); } catch { /* */ }

    const currentRecords = get().records;
    set({
      records: {
        ...currentRecords,
        items: currentRecords.items.map((r) => (r.id === recordId ? record : r)),
      },
    });
    return record;
  },

  updateRecordReferences: (recordId, references) => {
    const currentRecords = get().records;
    set({
      records: {
        ...currentRecords,
        items: currentRecords.items.map((r) => (r.id === recordId ? { ...r, references } : r)),
      },
    });
  },

  // 生成配置状态更新方法
  setMediaType: (mediaType) => set({ mediaType }),
  setCountType: (countType) => set({ countType }),
  setGenerationCount: (generationCount) => set({ generationCount }),
  setImageSettings: (ratio, resolution, width, height) => 
    set({ selectedRatio: ratio, selectedResolution: resolution, width, height }),
  setVideoSettings: (duration, aspectRatio, resolution) => 
    set({ videoDuration: duration, videoAspectRatio: aspectRatio, videoResolution: resolution }),
  setEngineOptions: (options) => set({ engineOptions: options }),
  // 单独的 setter 方法
  setSelectedRatio: (ratio) => set({ selectedRatio: ratio }),
  setSelectedResolution: (resolution) => set({ selectedResolution: resolution }),
  setWidth: (width) => set({ width }),
  setHeight: (height) => set({ height }),
  setVideoDuration: (duration) => set({ videoDuration: duration }),
  setVideoAspectRatio: (aspectRatio) => set({ videoAspectRatio: aspectRatio }),
  setVideoResolution: (resolution) => set({ videoResolution: resolution }),
  setEnginesele: (enginesele) => set({ enginesele }),
  setInputValue: (inputValue) => set({ inputValue }),
  setCurrentMedia: (currentMedia) => set({ currentMedia }),
  resetGenerationConfig: () => set({
    mediaType: 'image',
    countType: '请选择',
    generationCount: 1,
    selectedRatio: '1:1',
    selectedResolution: '2K',
    width: 2048,
    height: 2048,
    videoDuration: 5,
    videoAspectRatio: '9:16',
    videoResolution: '720p',
    engineOptions: {
      ratios: ['16:9', '4:3', '1:1', '3:4', '9:16', '21:9'],
      resolutions: ['480p', '720p', '1080p'],
      durations: [5, 8, 10, 12, 15],
    },
    enginesele: [],
    inputValue: '',
    currentMedia: [],
  }),
}));