// app/evcp/menu-list/actions.ts

"use server";

import db  from "@/db/db";
import { menuAssignments, users } from "@/db/schema";
import { eq, and } from "drizzle-orm";
import { revalidatePath, revalidateTag } from "next/cache";
import { mainNav, mainNavVendor, additionalNav, additionalNavVendor } from "@/config/menuConfig";

// 메뉴 데이터 타입 정의
interface MenuData {
  menuPath: string;
  menuTitle: string;
  menuDescription?: string;
  menuGroup?: string;
  sectionTitle: string;
  domain: "evcp" | "partners";
}

// Config에서 메뉴 데이터 추출
function extractMenusFromConfig(): MenuData[] {
  const menus: MenuData[] = [];

  // EVCP 메인 네비게이션
  mainNav.forEach(section => {
    section.items.forEach(item => {
      menus.push({
        menuPath: item.href,
        menuTitle: item.title,
        menuDescription: item.description,
        menuGroup: item.group,
        sectionTitle: section.title,
        domain: "evcp"
      });
    });
  });

  // EVCP 추가 네비게이션
  additionalNav.forEach(item => {
    menus.push({
      menuPath: item.href,
      menuTitle: item.title,
      menuDescription: item.description,
      menuGroup: undefined,
      sectionTitle: "추가 메뉴",
      domain: "evcp"
    });
  });

  // Partners 메인 네비게이션
  mainNavVendor.forEach(section => {
    section.items.forEach(item => {
      menus.push({
        menuPath: item.href,
        menuTitle: item.title,
        menuDescription: item.description,
        menuGroup: item.group,
        sectionTitle: section.title,
        domain: "partners"
      });
    });
  });

  // Partners 추가 네비게이션
  additionalNavVendor.forEach(item => {
    menus.push({
      menuPath: item.href,
      menuTitle: item.title,
      menuDescription: item.description,
      menuGroup: undefined,
      sectionTitle: "추가 메뉴",
      domain: "partners"
    });
  });

  return menus;
}

// 초기 메뉴 데이터 생성 또는 업데이트
export async function initializeMenuAssignments() {
  try {
    const configMenus = extractMenusFromConfig();
    const existingMenus = await db.select().from(menuAssignments);
    const existingPaths = new Set(existingMenus.map(m => m.menuPath));

    // 새로운 메뉴만 추가
    const newMenus = configMenus.filter(menu => !existingPaths.has(menu.menuPath));

    console.log(newMenus, newMenus)

    if (newMenus.length > 0) {
      await db.insert(menuAssignments).values(
        newMenus.map(menu => ({
          menuPath: menu.menuPath,
          menuTitle: menu.menuTitle,
          menuDescription: menu.menuDescription || null,
          menuGroup: menu.menuGroup || null,
          sectionTitle: menu.sectionTitle,
          domain: menu.domain,
          isActive: true,
        }))
      );
    }

    // 기존 메뉴 정보 업데이트 (title, description 등이 변경될 수 있음)
    for (const configMenu of configMenus) {
      if (existingPaths.has(configMenu.menuPath)) {
        await db
          .update(menuAssignments)
          .set({
            menuTitle: configMenu.menuTitle,
            menuDescription: configMenu.menuDescription || null,
            menuGroup: configMenu.menuGroup || null,
            sectionTitle: configMenu.sectionTitle,
            updatedAt: new Date(),
          })
          .where(eq(menuAssignments.menuPath, configMenu.menuPath));
      }
    }

    revalidatePath("/evcp/menu-list");
    return { success: true, message: `${newMenus.length}개의 새로운 메뉴가 추가되었습니다.` };
  } catch (error) {
    console.error("메뉴 초기화 오류:", error);
    return { success: false, message: "메뉴 초기화 중 오류가 발생했습니다." };
  }
}

// 메뉴 담당자 업데이트
export async function updateMenuManager(
  menuPath: string, 
  manager1Id?: number | null, 
  manager2Id?: number | null
) {
  try {

    console.log(menuPath, manager1Id)

    await db
      .update(menuAssignments)
      .set({
        manager1Id: manager1Id || null,
        manager2Id: manager2Id || null,
        updatedAt: new Date(),
      })
      .where(eq(menuAssignments.menuPath, menuPath));

    revalidatePath("/evcp/menu-list");
    // 인포메이션 편집 권한 캐시 무효화
    revalidateTag("information-edit-permission")

    return { success: true, message: "담당자가 업데이트되었습니다." };
  } catch (error) {
    console.error("담당자 업데이트 오류:", error);
    return { success: false, message: "담당자 업데이트 중 오류가 발생했습니다." };
  }
}

// 메뉴 리스트 조회 (담당자 정보 포함)
export async function getMenuAssignments(domain?: "evcp" | "partners") {
  try {
    const whereCondition = domain 
      ? eq(menuAssignments.domain, domain)
      : undefined;

    const result = await db
      .select({
        id: menuAssignments.id,
        menuPath: menuAssignments.menuPath,
        menuTitle: menuAssignments.menuTitle,
        menuDescription: menuAssignments.menuDescription,
        menuGroup: menuAssignments.menuGroup,
        sectionTitle: menuAssignments.sectionTitle,
        domain: menuAssignments.domain,
        isActive: menuAssignments.isActive,
        createdAt: menuAssignments.createdAt,
        updatedAt: menuAssignments.updatedAt,
        manager1Id: menuAssignments.manager1Id,
        manager2Id: menuAssignments.manager2Id,
        manager1Name: users.name,
        manager1Email: users.email,
        manager2Name: users.name,
        manager2Email: users.email,
      })
      .from(menuAssignments)
      .leftJoin(users, eq(menuAssignments.manager1Id, users.id))
      .where(whereCondition)
      .orderBy(menuAssignments.sectionTitle, menuAssignments.menuGroup, menuAssignments.menuTitle);

    return { success: true, data: result };
  } catch (error) {
    console.error("메뉴 조회 오류:", error);
    return { success: false, message: "메뉴 조회 중 오류가 발생했습니다.", data: [] };
  }
}

// 활성 사용자 리스트 조회
export async function getActiveUsers(domain?: "evcp" | "partners") {
  try {
    const whereCondition = and(
      eq(users.isActive, true),
      domain ? eq(users.domain, domain) : undefined
    );

    const result = await db
      .select({
        id: users.id,
        name: users.name,
        email: users.email,
        domain: users.domain,
      })
      .from(users)
      .where(whereCondition)
      .orderBy(users.name);

    return { success: true, data: result };
  } catch (error) {
    console.error("사용자 조회 오류:", error);
    return { success: false, message: "사용자 조회 중 오류가 발생했습니다.", data: [] };
  }
}

// 메뉴 활성화/비활성화
export async function toggleMenuActive(menuPath: string, isActive: boolean) {
  try {
    await db
      .update(menuAssignments)
      .set({
        isActive,
        updatedAt: new Date(),
      })
      .where(eq(menuAssignments.menuPath, menuPath));

      revalidatePath("/evcp/menu-list");

    return { success: true, message: `메뉴가 ${isActive ? '활성화' : '비활성화'}되었습니다.` };
  } catch (error) {
    console.error("메뉴 상태 변경 오류:", error);
    return { success: false, message: "메뉴 상태 변경 중 오류가 발생했습니다." };
  }
}