'use client';

import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import {
  projectsApi,
  creditsApi,
  templatesApi,
  dashboardApi,
  type Project,
  type CreateProjectPayload,
  type PaginatedResponse,
} from '@/lib/api/api-service';

// ═══════════════════════════════════════════════════════
// Query Keys — React Query cache yönetimi
// ═══════════════════════════════════════════════════════

export const queryKeys = {
  projects: {
    all: ['projects'] as const,
    list: (params?: Record<string, unknown>) => ['projects', 'list', params] as const,
    detail: (id: string) => ['projects', 'detail', id] as const,
  },
  credits: {
    balance: ['credits', 'balance'] as const,
    history: (params?: Record<string, unknown>) => ['credits', 'history', params] as const,
  },
  templates: {
    all: ['templates'] as const,
    list: (params?: Record<string, unknown>) => ['templates', 'list', params] as const,
    detail: (id: string) => ['templates', 'detail', id] as const,
  },
  dashboard: {
    stats: ['dashboard', 'stats'] as const,
  },
};

// ═══════════════════════════════════════════════════════
// PROJECTS — Hook'ları
// ═══════════════════════════════════════════════════════

/** Proje listesi — sayfalı, filtreleme destekli */
export function useProjects(params?: { page?: number; limit?: number; status?: string }) {
  return useQuery({
    queryKey: queryKeys.projects.list(params),
    queryFn: () => projectsApi.list(params),
    staleTime: 30_000,
  });
}

/** Tek proje detayı — sahneler, medya, render job dahil */
export function useProject(id: string) {
  return useQuery({
    queryKey: queryKeys.projects.detail(id),
    queryFn: () => projectsApi.get(id),
    enabled: !!id,
    staleTime: 10_000,
  });
}

/** Yeni proje oluştur */
export function useCreateProject() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (data: CreateProjectPayload) => projectsApi.create(data),
    onSuccess: () => {
      qc.invalidateQueries({ queryKey: queryKeys.projects.all });
      qc.invalidateQueries({ queryKey: queryKeys.dashboard.stats });
    },
  });
}

/** Proje güncelle */
export function useUpdateProject() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: ({ id, data }: { id: string; data: Partial<CreateProjectPayload> }) =>
      projectsApi.update(id, data),
    onSuccess: (_data, variables) => {
      qc.invalidateQueries({ queryKey: queryKeys.projects.detail(variables.id) });
      qc.invalidateQueries({ queryKey: queryKeys.projects.all });
    },
  });
}

/** Proje sil (soft delete) */
export function useDeleteProject() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (id: string) => projectsApi.delete(id),
    onSuccess: () => {
      qc.invalidateQueries({ queryKey: queryKeys.projects.all });
      qc.invalidateQueries({ queryKey: queryKeys.dashboard.stats });
    },
  });
}

/** AI senaryo üret — SEO + Humanizer-enhanced */
export function useGenerateScript() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (projectId: string) => projectsApi.generateScript(projectId),
    onSuccess: (data) => {
      qc.setQueryData(queryKeys.projects.detail(data.id), data);
      qc.invalidateQueries({ queryKey: queryKeys.projects.all });
    },
  });
}

/** Onay ver ve video üretimine gönder (BullMQ kuyruğu) */
export function useApproveAndQueue() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (projectId: string) => projectsApi.approveAndQueue(projectId),
    onSuccess: (_data, projectId) => {
      qc.invalidateQueries({ queryKey: queryKeys.projects.detail(projectId) });
      qc.invalidateQueries({ queryKey: queryKeys.projects.all });
      qc.invalidateQueries({ queryKey: queryKeys.credits.balance });
      qc.invalidateQueries({ queryKey: queryKeys.dashboard.stats });
    },
  });
}

// ═══════════════════════════════════════════════════════
// CREDITS — Kredi hook'ları
// ═══════════════════════════════════════════════════════

/** Mevcut kredi bakiyesi */
export function useCreditBalance() {
  return useQuery({
    queryKey: queryKeys.credits.balance,
    queryFn: () => creditsApi.getBalance(),
    staleTime: 60_000,
  });
}

/** Kredi işlem geçmişi */
export function useCreditHistory(params?: { page?: number; limit?: number }) {
  return useQuery({
    queryKey: queryKeys.credits.history(params),
    queryFn: () => creditsApi.getHistory(params),
    staleTime: 30_000,
  });
}

// ═══════════════════════════════════════════════════════
// TEMPLATES — Şablon hook'ları
// ═══════════════════════════════════════════════════════

/** Şablon galerisi */
export function useTemplates(params?: {
  category?: string;
  language?: string;
  page?: number;
  limit?: number;
}) {
  return useQuery({
    queryKey: queryKeys.templates.list(params),
    queryFn: () => templatesApi.list(params),
    staleTime: 120_000,
  });
}

/** Tek şablon detayı */
export function useTemplate(id: string) {
  return useQuery({
    queryKey: queryKeys.templates.detail(id),
    queryFn: () => templatesApi.get(id),
    enabled: !!id,
  });
}

/** Şablondan proje klonla */
export function useCloneTemplate() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (templateId: string) => templatesApi.clone(templateId),
    onSuccess: () => {
      qc.invalidateQueries({ queryKey: queryKeys.projects.all });
      qc.invalidateQueries({ queryKey: queryKeys.dashboard.stats });
    },
  });
}

// ═══════════════════════════════════════════════════════
// DASHBOARD — İstatistik hook'ları
// ═══════════════════════════════════════════════════════

/** Dashboard istatistikleri */
export function useDashboardStats() {
  return useQuery({
    queryKey: queryKeys.dashboard.stats,
    queryFn: () => dashboardApi.getStats(),
    staleTime: 30_000,
    refetchInterval: 60_000,
  });
}