use actix_web::{Error, HttpRequest, HttpResponse, get, post, web};
use serde::Deserialize;
use uuid::Uuid;

use crate::{
    Data,
    api::v1::auth::check_access_token,
    structs::{Guild, Member},
    utils::get_auth_header,
};

#[derive(Deserialize)]
struct InviteRequest {
    custom_id: String,
}

#[get("{uuid}/invites")]
pub async fn get(
    req: HttpRequest,
    path: web::Path<(Uuid,)>,
    data: web::Data<Data>,
) -> Result<HttpResponse, Error> {
    let headers = req.headers();

    let auth_header = get_auth_header(headers);

    if let Err(error) = auth_header {
        return Ok(error);
    }

    let guild_uuid = path.into_inner().0;

    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;

    if let Err(error) = authorized {
        return Ok(error);
    }

    let uuid = authorized.unwrap();

    let member = Member::fetch_one(&data.pool, uuid, guild_uuid).await;

    if let Err(error) = member {
        return Ok(error);
    }

    let guild_result = Guild::fetch_one(&data.pool, guild_uuid).await;

    if let Err(error) = guild_result {
        return Ok(error);
    }

    let guild = guild_result.unwrap();

    let invites = guild.get_invites(&data.pool).await;

    if let Err(error) = invites {
        return Ok(error);
    }

    Ok(HttpResponse::Ok().json(invites.unwrap()))
}

#[post("{uuid}/invites")]
pub async fn create(
    req: HttpRequest,
    path: web::Path<(Uuid,)>,
    invite_request: web::Json<Option<InviteRequest>>,
    data: web::Data<Data>,
) -> Result<HttpResponse, Error> {
    let headers = req.headers();

    let auth_header = get_auth_header(headers);

    if let Err(error) = auth_header {
        return Ok(error);
    }

    let guild_uuid = path.into_inner().0;

    let authorized = check_access_token(auth_header.unwrap(), &data.pool).await;

    if let Err(error) = authorized {
        return Ok(error);
    }

    let uuid = authorized.unwrap();

    let member_result = Member::fetch_one(&data.pool, uuid, guild_uuid).await;

    if let Err(error) = member_result {
        return Ok(error);
    }

    let member = member_result.unwrap();

    let guild_result = Guild::fetch_one(&data.pool, guild_uuid).await;

    if let Err(error) = guild_result {
        return Ok(error);
    }

    let guild = guild_result.unwrap();

    let custom_id = invite_request.as_ref().map(|ir| ir.custom_id.clone());

    let invite = guild.create_invite(&data.pool, &member, custom_id).await;

    if let Err(error) = invite {
        return Ok(error);
    }

    Ok(HttpResponse::Ok().json(invite.unwrap()))
}