use actix_web::{HttpResponse, web};
use serde::Deserialize;
use utoipa::IntoParams;

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::error::AppError;
use crate::models::issues::IssueComment;
use crate::service::AppService;
use crate::service::issues::comments::UpdateCommentParams;
use crate::session::Session;

#[derive(Debug, Deserialize, IntoParams)]
pub struct PathParams {
    pub workspace_name: String,
    pub number: i64,
    pub comment_id: uuid::Uuid,
}

/// Update an issue comment
///
/// Updates the body of an existing comment. Only the comment author can update their own comments.
/// Requires read access to the issue.
///
/// Returns the updated comment with edit timestamp.
#[utoipa::path(
    put,
    path = "/api/v1/workspaces/{workspace_name}/issues/{number}/comments/{comment_id}",
    tag = "Issues",
    operation_id = "issueUpdateComment",
    params(PathParams),
    request_body(content = UpdateCommentParams, description = "Comment update parameters", content_type = "application/json"),
    responses(
        (status = 200, description = "Comment updated successfully.", body = ApiResponse<IssueComment>),
        (status = 400, description = "Invalid parameters: empty body", body = ApiErrorResponse),
        (status = 401, description = "Authentication required or session expired", body = ApiErrorResponse),
        (status = 403, description = "Cannot edit other users' comments", body = ApiErrorResponse),
        (status = 404, description = "Workspace, issue, or comment not found", body = ApiErrorResponse),
        (status = 500, description = "Internal server error", body = ApiErrorResponse),
    ),
    security(("session_cookie" = []))
)]
pub async fn update_comment(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<PathParams>,
    params: web::Json<UpdateCommentParams>,
) -> Result<HttpResponse, AppError> {
    let comment = service
        .issue
        .issue_update_comment(
            &session,
            &path.workspace_name,
            path.number,
            path.comment_id,
            params.into_inner(),
        )
        .await?;
    Ok(HttpResponse::Ok().json(ApiResponse::new(comment)))
}