use revolt_database::{
    util::{permissions::DatabasePermissionQuery, reference::Reference},
    AuditLogEntryAction, Database, Invite, User,
};
use revolt_models::v0;
use revolt_permissions::{calculate_channel_permissions, ChannelPermission};

use revolt_result::{create_error, Result};
use rocket::{serde::json::Json, State};

use crate::util::audit_log_reason::AuditLogReason;

/// # Create Invite
///
/// Creates an invite to this channel.
///
/// Channel must be a `TextChannel`.
#[openapi(tag = "Channel Invites")]
#[post("/<target>/invites")]
pub async fn create_invite(
    db: &State<Database>,
    user: User,
    reason: AuditLogReason,
    target: Reference<'_>,
) -> Result<Json<v0::Invite>> {
    if user.bot.is_some() {
        return Err(create_error!(IsBot));
    }

    let channel = target.as_channel(db).await?;
    let mut query = DatabasePermissionQuery::new(db, &user).channel(&channel);
    calculate_channel_permissions(&mut query)
        .await
        .throw_if_lacking_channel_permission(ChannelPermission::InviteOthers)?;

    let invite = Invite::create_channel_invite(db, &user, &channel).await?;

    if let Some(server_id) = channel.server() {
        AuditLogEntryAction::InviteCreate {
            invite: invite.code().to_string(),
            channel: channel.id().to_string(),
        }
        .insert(db, server_id.to_string(), reason, user.id, None)
        .await;
    }

    Ok(Json(invite.into()))
}