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

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::error::AppError;
use crate::service::AppService;
use crate::session::Session;

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

/// Delete an issue comment
///
/// Soft-deletes a comment. The comment author can delete their own comments.
/// Workspace admins can delete any comment.
///
/// Effects:
/// - Comment is marked as deleted
/// - Issue comment count is decremented
///
/// Returns success message on completion.
#[utoipa::path(
    delete,
    path = "/api/v1/workspaces/{workspace_name}/issues/{number}/comments/{comment_id}",
    tag = "Issues",
    operation_id = "issueDeleteComment",
    params(PathParams),
    responses(
        (status = 200, description = "Comment deleted successfully.", body = ApiResponse<String>),
        (status = 401, description = "Authentication required or session expired", body = ApiErrorResponse),
        (status = 403, description = "Cannot delete other users' comments (requires admin)", 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 delete_comment(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<PathParams>,
) -> Result<HttpResponse, AppError> {
    service
        .issue
        .issue_delete_comment(&session, &path.workspace_name, path.number, path.comment_id)
        .await?;
    Ok(HttpResponse::Ok().json(ApiResponse::new("Comment deleted successfully".to_string())))
}