using AmtScanner.Api.Data;
using AmtScanner.Api.Models;
using AmtScanner.Api.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;

namespace AmtScanner.Api.Controllers;

[ApiController]
[Route("api/scan")]
[Authorize]
public class AmtScanController : ControllerBase
{
    private readonly IAmtScanService _scanService;
    private readonly AppDbContext _db;
    private readonly ILogger<AmtScanController> _logger;

    public AmtScanController(IAmtScanService scanService, AppDbContext db, ILogger<AmtScanController> logger)
    {
        _scanService = scanService;
        _db = db;
        _logger = logger;
    }

    /// <summary>
    /// 开始扫描
    /// </summary>
    [HttpPost("start")]
    public async Task<IActionResult> StartScan([FromBody] ScanRequest request)
    {
        if (string.IsNullOrEmpty(request.NetworkSegment) || string.IsNullOrEmpty(request.SubnetMask))
        {
            return BadRequest(ApiResponse<object>.Fail(400, "网段地址和子网掩码不能为空"));
        }

        var taskId = await _scanService.StartScanAsync(request.NetworkSegment, request.SubnetMask);
        
        return Ok(ApiResponse<object>.Success(new { taskId }));
    }

    /// <summary>
    /// 获取扫描状态
    /// </summary>
    [HttpGet("status/{taskId}")]
    public IActionResult GetScanStatus(string taskId)
    {
        var status = _scanService.GetScanStatus(taskId);
        
        if (status == null)
        {
            return NotFound(ApiResponse<object>.Fail(404, "扫描任务不存在"));
        }
        
        return Ok(ApiResponse<object>.Success(status));
    }

    /// <summary>
    /// 取消扫描
    /// </summary>
    [HttpPost("cancel/{taskId}")]
    public IActionResult CancelScan(string taskId)
    {
        _scanService.CancelScan(taskId);
        return Ok(ApiResponse<object>.Success(null, "扫描已取消"));
    }

    /// <summary>
    /// 测试单个IP的AMT端口（调试用）
    /// </summary>
    [HttpGet("test/{ip}")]
    [AllowAnonymous]
    public async Task<IActionResult> TestSingleIp(string ip)
    {
        var result = await _scanService.TestSingleIpAsync(ip);
        return Ok(ApiResponse<object>.Success(result));
    }
    
    /// <summary>
    /// 手动添加测试设备到数据库（调试用）
    /// </summary>
    [HttpPost("add-test-device/{ip}")]
    [AllowAnonymous]
    public async Task<IActionResult> AddTestDevice(string ip)
    {
        var existing = await _db.AmtPendingDevices_new
            .FirstOrDefaultAsync(d => d.IpAddress == ip);
        
        if (existing != null)
        {
            return Ok(ApiResponse<object>.Success(existing, "设备已存在"));
        }
        
        var device = new AmtPendingDevice_new
        {
            IpAddress = ip,
            AmtVersion = "Unknown",
            ProvisioningState = "Pre",
            Source = "test",
            CreatedAt = DateTime.UtcNow,
            UpdatedAt = DateTime.UtcNow
        };
        
        _db.AmtPendingDevices_new.Add(device);
        await _db.SaveChangesAsync();
        
        return Ok(ApiResponse<object>.Success(device, "测试设备已添加"));
    }
    
    /// <summary>
    /// 测试WS-Man连接（调试用）
    /// </summary>
    [HttpPost("test-wsman")]
    [AllowAnonymous]
    public async Task<IActionResult> TestWsman([FromBody] TestWsmanRequest request)
    {
        try
        {
            var wsmanService = HttpContext.RequestServices.GetRequiredService<IAmtWsmanService>();
            var info = await wsmanService.GetSystemInfoAsync(request.Ip, request.Username, request.Password);
            
            if (info != null)
            {
                return Ok(ApiResponse<object>.Success(new
                {
                    success = true,
                    uuid = info.Uuid,
                    hostname = info.Hostname,
                    manufacturer = info.Manufacturer,
                    model = info.Model,
                    serialNumber = info.SerialNumber
                }));
            }
            
            return Ok(ApiResponse<object>.Success(new { success = false, error = "无法获取设备信息" }));
        }
        catch (Exception ex)
        {
            return Ok(ApiResponse<object>.Success(new { success = false, error = ex.Message }));
        }
    }
}

public class TestWsmanRequest
{
    public string Ip { get; set; } = string.Empty;
    public string Username { get; set; } = string.Empty;
    public string Password { get; set; } = string.Empty;
}

public class ScanRequest
{
    public string NetworkSegment { get; set; } = string.Empty;
    public string SubnetMask { get; set; } = string.Empty;
}