using AmtScanner.Api.Models;
using Microsoft.EntityFrameworkCore;

namespace AmtScanner.Api.Data;

/// <summary>
/// 数据库种子数据
/// </summary>
public static class DbSeeder
{
    /// <summary>
    /// 初始化种子数据
    /// </summary>
    public static async Task SeedAsync(AppDbContext context)
    {
        await SeedRolesAsync(context);
        await SeedUsersAsync(context);
        await SeedMenusAsync(context);
        await SeedRoleMenusAsync(context);
    }

    private static async Task SeedRolesAsync(AppDbContext context)
    {
        if (await context.Roles.AnyAsync()) return;

        var roles = new List<Role>
        {
            new() { RoleName = "超级管理员", RoleCode = "R_SUPER", Description = "拥有所有权限", Enabled = true },
            new() { RoleName = "管理员", RoleCode = "R_ADMIN", Description = "系统管理员", Enabled = true },
            new() { RoleName = "普通用户", RoleCode = "R_USER", Description = "普通用户", Enabled = true }
        };

        context.Roles.AddRange(roles);
        await context.SaveChangesAsync();
        Console.WriteLine("✅ 默认角色已创建");
    }

    private static async Task SeedUsersAsync(AppDbContext context)
    {
        if (await context.Users.AnyAsync()) return;

        // 创建默认用户
        var users = new List<User>
        {
            new()
            {
                UserName = "Super",
                PasswordHash = BCrypt.Net.BCrypt.HashPassword("123456"),
                NickName = "超级管理员",
                Email = "super@example.com",
                Status = "1",
                Gender = "1"
            },
            new()
            {
                UserName = "Admin",
                PasswordHash = BCrypt.Net.BCrypt.HashPassword("123456"),
                NickName = "管理员",
                Email = "admin@example.com",
                Status = "1",
                Gender = "1"
            },
            new()
            {
                UserName = "User",
                PasswordHash = BCrypt.Net.BCrypt.HashPassword("123456"),
                NickName = "普通用户",
                Email = "user@example.com",
                Status = "1",
                Gender = "2"
            }
        };

        context.Users.AddRange(users);
        await context.SaveChangesAsync();

        // 分配角色
        var superRole = await context.Roles.FirstAsync(r => r.RoleCode == "R_SUPER");
        var adminRole = await context.Roles.FirstAsync(r => r.RoleCode == "R_ADMIN");
        var userRole = await context.Roles.FirstAsync(r => r.RoleCode == "R_USER");

        var superUser = await context.Users.FirstAsync(u => u.UserName == "Super");
        var adminUser = await context.Users.FirstAsync(u => u.UserName == "Admin");
        var normalUser = await context.Users.FirstAsync(u => u.UserName == "User");

        var userRoles = new List<UserRole>
        {
            new() { UserId = superUser.Id, RoleId = superRole.Id },
            new() { UserId = adminUser.Id, RoleId = adminRole.Id },
            new() { UserId = normalUser.Id, RoleId = userRole.Id }
        };

        context.UserRoles.AddRange(userRoles);
        await context.SaveChangesAsync();
        Console.WriteLine("✅ 默认用户已创建: Super/Admin/User (密码: 123456)");
    }

    private static async Task SeedMenusAsync(AppDbContext context)
    {
        if (await context.Menus.AnyAsync()) return;

        var menus = new List<Menu>
        {
            // 仪表盘菜单 - 与前端 dashboard.ts 匹配（系统内置）
            new() { Id = 1, Name = "Dashboard", Path = "/dashboard", Component = "/index/index", Title = "menus.dashboard.title", Icon = "ri:pie-chart-line", Sort = 1, Roles = "R_SUPER,R_ADMIN,R_USER", IsSystem = true },
            new() { Id = 2, ParentId = 1, Name = "Console", Path = "console", Component = "/dashboard/console", Title = "menus.dashboard.console", KeepAlive = false, Sort = 1, Roles = "R_SUPER,R_ADMIN,R_USER", IsSystem = true },

            // 系统管理菜单 - 与前端 system.ts 匹配（系统内置）
            new() { Id = 10, Name = "System", Path = "/system", Component = "/index/index", Title = "menus.system.title", Icon = "ri:user-3-line", Sort = 99, Roles = "R_SUPER,R_ADMIN", IsSystem = true },
            new() { Id = 11, ParentId = 10, Name = "User", Path = "user", Component = "/system/user", Title = "menus.system.user", KeepAlive = true, Sort = 1, Roles = "R_SUPER,R_ADMIN", IsSystem = true },
            new() { Id = 12, ParentId = 10, Name = "Role", Path = "role", Component = "/system/role", Title = "menus.system.role", KeepAlive = true, Sort = 2, Roles = "R_SUPER", IsSystem = true },
            new() { Id = 13, ParentId = 10, Name = "UserCenter", Path = "user-center", Component = "/system/user-center", Title = "menus.system.userCenter", IsHide = true, KeepAlive = true, Sort = 3, Roles = "R_SUPER,R_ADMIN,R_USER", IsSystem = true },
            new() { Id = 14, ParentId = 10, Name = "Menus", Path = "menu", Component = "/system/menu", Title = "menus.system.menu", KeepAlive = true, Sort = 4, Roles = "R_SUPER", IsSystem = true }
        };

        // 使用 IDENTITY_INSERT 插入带 ID 的数据
        foreach (var menu in menus)
        {
            context.Menus.Add(menu);
        }
        await context.SaveChangesAsync();
        Console.WriteLine("✅ 默认菜单已创建");
    }

    private static async Task SeedRoleMenusAsync(AppDbContext context)
    {
        if (await context.RoleMenus.AnyAsync()) return;

        var superRole = await context.Roles.FirstAsync(r => r.RoleCode == "R_SUPER");
        var adminRole = await context.Roles.FirstAsync(r => r.RoleCode == "R_ADMIN");
        var userRole = await context.Roles.FirstAsync(r => r.RoleCode == "R_USER");

        var allMenuIds = await context.Menus.Select(m => m.Id).ToListAsync();
        var adminMenuIds = await context.Menus
            .Where(m => m.Roles != null && (m.Roles.Contains("R_ADMIN") || m.Roles.Contains("R_USER")))
            .Select(m => m.Id).ToListAsync();
        var userMenuIds = await context.Menus
            .Where(m => m.Roles != null && m.Roles.Contains("R_USER"))
            .Select(m => m.Id).ToListAsync();

        var roleMenus = new List<RoleMenu>();

        // 超级管理员拥有所有菜单
        foreach (var menuId in allMenuIds)
        {
            roleMenus.Add(new RoleMenu { RoleId = superRole.Id, MenuId = menuId });
        }

        // 管理员菜单
        foreach (var menuId in adminMenuIds)
        {
            roleMenus.Add(new RoleMenu { RoleId = adminRole.Id, MenuId = menuId });
        }

        // 普通用户菜单
        foreach (var menuId in userMenuIds)
        {
            roleMenus.Add(new RoleMenu { RoleId = userRole.Id, MenuId = menuId });
        }

        context.RoleMenus.AddRange(roleMenus);
        await context.SaveChangesAsync();
        Console.WriteLine("✅ 角色菜单权限已分配");
    }
}