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

use crate::api::response::{ApiResponse, ApiErrorResponse};
use crate::error::AppError;
use crate::models::repos::RepoWebhook;
use crate::service::repo::webhooks::CreateWebhookParams;
use crate::service::AppService;
use crate::session::Session;

#[derive(Debug, Deserialize, IntoParams)]
pub struct PathParams {
    /// Workspace name (unique identifier)
    pub workspace_name: String,
    /// Repository name (unique within the workspace)
    pub repo_name: String,
}

/// Create a webhook in a repository
///
/// Creates a new webhook that receives HTTP POST notifications for repository events.
/// Requires Admin role or higher in the repository.
/// 
/// Parameters:
/// - url: Webhook endpoint URL (must be HTTPS in production)
/// - events: List of events to subscribe to (e.g., "push", "pull_request", "issue")
/// - secret: Optional secret for webhook signature verification
/// - active: Whether the webhook is active (default: true)
/// 
/// Effects:
/// - Webhook is created and starts receiving events
/// - Webhook deliveries are logged and can be retried on failure
/// 
/// Returns the created webhook with metadata including ID and configuration.
#[utoipa::path(
    post,
    path = "/api/v1/workspaces/{workspace_name}/repos/{repo_name}/webhooks",
    tag = "Repos",
    operation_id = "repoCreateWebhook",
    params(PathParams),
    request_body(
        content = CreateWebhookParams,
        description = "Webhook creation parameters",
        content_type = "application/json"
    ),
    responses(
        (status = 201, description = "Webhook created successfully. Returns the newly created webhook with metadata.", body = ApiResponse<RepoWebhook>),
        (status = 400, description = "Invalid parameters: invalid URL format or empty events list", body = ApiErrorResponse),
        (status = 401, description = "Authentication required or session expired", body = ApiErrorResponse),
        (status = 403, description = "Insufficient permissions (requires Admin role or higher)", body = ApiErrorResponse),
        (status = 404, description = "Repository or workspace not found", body = ApiErrorResponse),
        (status = 500, description = "Internal server error", body = ApiErrorResponse),
    ),
    security(
        ("session_cookie" = [])
    )
)]
pub async fn create_webhook(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<PathParams>,
    params: web::Json<CreateWebhookParams>,
) -> Result<HttpResponse, AppError> {
    let webhook = service
        .repo
        .repo_create_webhook(&session, &path.workspace_name, &path.repo_name, params.into_inner())
        .await?;

    Ok(HttpResponse::Created().json(ApiResponse::new(webhook)))
}