use actix_multipart::Multipart;
use actix_web::{HttpResponse, web};

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::api::user::upload_avatar::parse_avatar_field;
use crate::error::AppError;
use crate::models::workspaces::Workspace;
use crate::service::AppService;
use crate::session::Session;

#[utoipa::path(
    post,
    path = "/api/v1/workspaces/{workspace_name}/avatar",
    tag = "Workspaces",
    operation_id = "workspaceUploadAvatar",
    summary = "Upload workspace avatar",
    description = "Upload an avatar image for a workspace. Requires admin role. Maximum size 5 MB. Supported: png, jpg, gif, webp. Accepts multipart/form-data with a single 'avatar' field.",
    params(
        ("workspace_name" = String, Path, description = "Workspace name."),
    ),
    request_body(
        content_type = "multipart/form-data",
        description = "Avatar image file in a multipart form field named 'avatar'."
    ),
    responses(
        (status = 200, description = "Avatar uploaded.", body = ApiResponse<Workspace>),
        (status = 400, description = "Unsupported image format or file too large.", body = ApiErrorResponse),
        (status = 401, description = "Unauthenticated or insufficient role.", body = ApiErrorResponse),
        (status = 404, description = "Workspace not found.", body = ApiErrorResponse),
        (status = 500, description = "Storage or database failure.", body = ApiErrorResponse)
    )
)]
pub async fn handle(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<String>,
    payload: Multipart,
) -> Result<HttpResponse, AppError> {
    let ws = service.workspace.find_workspace_by_name(&path).await?;
    let (data, content_type, file_name) = parse_avatar_field(payload).await?;
    let ws = service
        .workspace
        .workspace_upload_avatar(&session, &ws, data, content_type, file_name)
        .await?;
    Ok(HttpResponse::Ok().json(ApiResponse::new(ws)))
}