using GozareshgirProgramManager.Application._Common.Models;
using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.DeleteMessage;
using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.EditMessage;
using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.PinMessage;
using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.SendMessage;
using GozareshgirProgramManager.Application.Modules.TaskChat.Commands.UnpinMessage;
using GozareshgirProgramManager.Application.Modules.TaskChat.DTOs;
using GozareshgirProgramManager.Application.Modules.TaskChat.Queries.GetMessages;
using GozareshgirProgramManager.Application.Modules.TaskChat.Queries.GetPinnedMessages;
using GozareshgirProgramManager.Application.Modules.TaskChat.Queries.SearchMessages;
using GozareshgirProgramManager.Domain.TaskChatAgg.Enums;
using MediatR;
using Microsoft.AspNetCore.Mvc;
using ServiceHost.BaseControllers;

namespace ServiceHost.Areas.Admin.Controllers.ProgramManager;

/// <summary>
/// کنترلر مدیریت چت تسک
/// </summary>
public class TaskChatController : ProgramManagerBaseController
{
    private readonly IMediator _mediator;

    public TaskChatController(IMediator mediator)
    {
        _mediator = mediator;
    }

    /// <summary>
    /// دریافت لیست پیام‌های یک تسک
    /// </summary>
    /// <param name="taskId">شناسه تسک</param>
    /// <param name="messageType">نوع پیام</param>
    /// <param name="page">صفحه (پیش‌فرض: 1)</param>
    /// <param name="pageSize">تعداد در هر صفحه (پیش‌فرض: 50)</param>
    [HttpGet("{taskId:guid}/messages")]
    public async Task<ActionResult<OperationResult<PaginationResult<MessageDto>>>> GetMessages(
        Guid taskId,
        [FromQuery] MessageType? messageType,
        [FromQuery] int page = 1,
        [FromQuery] int pageSize = 50)
    {
        var query = new GetMessagesQuery(taskId,messageType, page, pageSize);
        var result = await _mediator.Send(query);
        return result;
    }

    /// <summary>
    /// دریافت پیام‌های پین شده یک تسک
    /// </summary>
    /// <param name="taskId">شناسه تسک</param>
    [HttpGet("{taskId:guid}/messages/pinned")]
    public async Task<ActionResult<OperationResult<List<MessageDto>>>> GetPinnedMessages(Guid taskId)
    {
        var query = new GetPinnedMessagesQuery(taskId);
        var result = await _mediator.Send(query);
        return result;
    }

    /// <summary>
    /// جستجو در پیام‌های یک تسک
    /// </summary>
    /// <param name="taskId">شناسه تسک</param>
    /// <param name="search">متن جستجو</param>
    /// <param name="page">صفحه</param>
    /// <param name="pageSize">تعداد در هر صفحه</param>
    [HttpGet("{taskId:guid}/messages/search")]
    public async Task<ActionResult<OperationResult<List<MessageDto>>>> SearchMessages(
        Guid taskId,
        [FromQuery] string search,
        [FromQuery] int page = 1,
        [FromQuery] int pageSize = 20)
    {
        var query = new SearchMessagesQuery(taskId, search, page, pageSize);
        var result = await _mediator.Send(query);
        return result;
    }

    /// <summary>
    /// ارسال پیام جدید (با یا بدون فایل)
    /// </summary>
    [HttpPost("messages")]
    public async Task<ActionResult<OperationResult<MessageDto>>> SendMessage(
        [FromForm] SendMessageCommand command)
    {
        var result = await _mediator.Send(command);
        return result;
    }

    /// <summary>
    /// ویرایش پیام (فقط متن)
    /// </summary>
    /// <param name="messageId">شناسه پیام</param>
    /// <param name="request">محتوای جدید</param>
    [HttpPut("messages/{messageId:guid}")]
    public async Task<ActionResult<OperationResult>> EditMessage(
        Guid messageId,
        [FromBody] EditMessageRequest request)
    {
        var command = new EditMessageCommand(messageId, request.NewTextContent);
        var result = await _mediator.Send(command);
        return result;
    }

    /// <summary>
    /// حذف پیام
    /// </summary>
    /// <param name="messageId">شناسه پیام</param>
    [HttpDelete("messages/{messageId:guid}")]
    public async Task<ActionResult<OperationResult>> DeleteMessage(Guid messageId)
    {
        var command = new DeleteMessageCommand(messageId);
        var result = await _mediator.Send(command);
        return result;
    }

    /// <summary>
    /// پین کردن پیام
    /// </summary>
    /// <param name="messageId">شناسه پیام</param>
    [HttpPost("messages/{messageId:guid}/pin")]
    public async Task<ActionResult<OperationResult>> PinMessage(Guid messageId)
    {
        var command = new PinMessageCommand(messageId);
        var result = await _mediator.Send(command);
        return result;
    }

    /// <summary>
    /// برداشتن پین پیام
    /// </summary>
    /// <param name="messageId">شناسه پیام</param>
    [HttpPost("messages/{messageId:guid}/unpin")]
    public async Task<ActionResult<OperationResult>> UnpinMessage(Guid messageId)
    {
        var command = new UnpinMessageCommand(messageId);
        var result = await _mediator.Send(command);
        return result;
    }
}

public class EditMessageRequest
{
    public string NewTextContent { get; set; } = string.Empty;
}