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

namespace AmtScanner.Api.Controllers;

[ApiController]
[Route("api/[controller]")]
public class WindowsCredentialsController : ControllerBase
{
    private readonly AppDbContext _context;
    private readonly ILogger<WindowsCredentialsController> _logger;

    public WindowsCredentialsController(AppDbContext context, ILogger<WindowsCredentialsController> logger)
    {
        _context = context;
        _logger = logger;
    }

    /// <summary>
    /// 获取所有 Windows 凭据
    /// </summary>
    [HttpGet]
    public async Task<ActionResult<IEnumerable<WindowsCredentialDto>>> GetAll()
    {
        var credentials = await _context.WindowsCredentials
            .OrderByDescending(c => c.IsDefault)
            .ThenBy(c => c.Name)
            .Select(c => new WindowsCredentialDto
            {
                Id = c.Id,
                Name = c.Name,
                Username = c.Username,
                Domain = c.Domain,
                IsDefault = c.IsDefault,
                Note = c.Note,
                CreatedAt = c.CreatedAt
            })
            .ToListAsync();

        return Ok(credentials);
    }

    /// <summary>
    /// 创建 Windows 凭据
    /// </summary>
    [HttpPost]
    public async Task<ActionResult<WindowsCredentialDto>> Create([FromBody] CreateWindowsCredentialRequest request)
    {
        // 如果设为默认，取消其他默认
        if (request.IsDefault)
        {
            await _context.WindowsCredentials
                .Where(c => c.IsDefault)
                .ExecuteUpdateAsync(s => s.SetProperty(c => c.IsDefault, false));
        }

        var credential = new WindowsCredential
        {
            Name = request.Name,
            Username = request.Username,
            Password = request.Password, // 实际生产环境应加密
            Domain = request.Domain,
            IsDefault = request.IsDefault,
            Note = request.Note
        };

        _context.WindowsCredentials.Add(credential);
        await _context.SaveChangesAsync();

        _logger.LogInformation("Created Windows credential: {Name}", credential.Name);

        return Ok(new WindowsCredentialDto
        {
            Id = credential.Id,
            Name = credential.Name,
            Username = credential.Username,
            Domain = credential.Domain,
            IsDefault = credential.IsDefault,
            Note = credential.Note,
            CreatedAt = credential.CreatedAt
        });
    }

    /// <summary>
    /// 更新 Windows 凭据
    /// </summary>
    [HttpPut("{id}")]
    public async Task<ActionResult> Update(long id, [FromBody] UpdateWindowsCredentialRequest request)
    {
        var credential = await _context.WindowsCredentials.FindAsync(id);
        if (credential == null)
        {
            return NotFound(new { error = "凭据不存在" });
        }

        // 如果设为默认，取消其他默认
        if (request.IsDefault && !credential.IsDefault)
        {
            await _context.WindowsCredentials
                .Where(c => c.IsDefault && c.Id != id)
                .ExecuteUpdateAsync(s => s.SetProperty(c => c.IsDefault, false));
        }

        credential.Name = request.Name;
        credential.Username = request.Username;
        if (!string.IsNullOrEmpty(request.Password))
        {
            credential.Password = request.Password;
        }
        credential.Domain = request.Domain;
        credential.IsDefault = request.IsDefault;
        credential.Note = request.Note;
        credential.UpdatedAt = DateTime.UtcNow;

        await _context.SaveChangesAsync();

        return Ok(new { success = true });
    }

    /// <summary>
    /// 删除 Windows 凭据
    /// </summary>
    [HttpDelete("{id}")]
    public async Task<ActionResult> Delete(long id)
    {
        var credential = await _context.WindowsCredentials.FindAsync(id);
        if (credential == null)
        {
            return NotFound(new { error = "凭据不存在" });
        }

        _context.WindowsCredentials.Remove(credential);
        await _context.SaveChangesAsync();

        _logger.LogInformation("Deleted Windows credential: {Name}", credential.Name);

        return Ok(new { success = true });
    }

    /// <summary>
    /// 设置默认凭据
    /// </summary>
    [HttpPost("{id}/set-default")]
    public async Task<ActionResult> SetDefault(long id)
    {
        var credential = await _context.WindowsCredentials.FindAsync(id);
        if (credential == null)
        {
            return NotFound(new { error = "凭据不存在" });
        }

        // 取消其他默认
        await _context.WindowsCredentials
            .Where(c => c.IsDefault)
            .ExecuteUpdateAsync(s => s.SetProperty(c => c.IsDefault, false));

        credential.IsDefault = true;
        await _context.SaveChangesAsync();

        return Ok(new { success = true });
    }
}

public class WindowsCredentialDto
{
    public long Id { get; set; }
    public string Name { get; set; } = string.Empty;
    public string Username { get; set; } = string.Empty;
    public string? Domain { get; set; }
    public bool IsDefault { get; set; }
    public string? Note { get; set; }
    public DateTime CreatedAt { get; set; }
}

public class CreateWindowsCredentialRequest
{
    public string Name { get; set; } = string.Empty;
    public string Username { get; set; } = string.Empty;
    public string Password { get; set; } = string.Empty;
    public string? Domain { get; set; }
    public bool IsDefault { get; set; }
    public string? Note { get; set; }
}

public class UpdateWindowsCredentialRequest
{
    public string Name { get; set; } = string.Empty;
    public string Username { get; set; } = string.Empty;
    public string? Password { get; set; }
    public string? Domain { get; set; }
    public bool IsDefault { get; set; }
    public string? Note { get; set; }
}