//! # Admin : users management controller
//!
//! @author Pierre Hubert

use crate::api_data::admin::admin_create_password_reset_link_api::AdminCreatedPasswordResetLinkApi;
use crate::api_data::admin::admin_search_user_result_api::AdminSearchUserResult;
use crate::api_data::admin::admin_user_info_api::AdminUserInfoAPI;
use crate::constants::admin::AdminRole;
use crate::data::admin_action_log::AdminAction;
use crate::data::base_request_handler::BaseRequestHandler;
use crate::data::config::conf;
use crate::data::http_request_handler::HttpRequestHandler;
use crate::helpers::admin_log_helper::log_admin_action;
use crate::helpers::{account_helper, user_helper};
use crate::routes::RequestResult;

/// Search for user
pub async fn search(r: &mut HttpRequestHandler) -> RequestResult {
    r.check_admin_has_role(AdminRole::MANAGE_USERS)?;

    let name = r.post_string_opt("name", 0, true)?;
    let email = r.post_string_opt("email", 0, true)?;

    let results = user_helper::search_user_admin(&name, &email, 50)?;

    r.set_response(
        results
            .into_iter()
            .map(AdminSearchUserResult::new)
            .collect::<Vec<_>>(),
    )
}

/// Get information about a single user
pub async fn get_single(r: &mut HttpRequestHandler) -> RequestResult {
    r.check_admin_has_role(AdminRole::MANAGE_USERS)?;

    let user_id = r.post_user_id("user_id")?;
    let user = user_helper::find_user_by_id(&user_id)?;

    log_admin_action(
        r.admin_id()?,
        &r.remote_ip(),
        AdminAction::AccessUserPage {
            user_id,
            user_name: user.full_name(),
        },
    )?;

    r.set_response(AdminUserInfoAPI::new(user))
}

/// Change the email address of a Comunic user
pub async fn change_email_address(r: &mut HttpRequestHandler) -> RequestResult {
    r.check_admin_has_role(AdminRole::MANAGE_USERS)?;

    let user_id = r.post_user_id("user_id")?;
    let user = user_helper::find_user_by_id(&user_id)?;
    let new_mail = r.post_email("new_mail")?;

    // We check if the email address is already used
    if user_helper::find_user_by_email(&new_mail).is_ok() {
        r.bad_request(format!(
            "The email address {} is already attributed!",
            new_mail
        ))?;
    }

    // Do the update
    account_helper::set_email(user_id, &new_mail)?;

    log_admin_action(
        r.admin_id()?,
        &r.remote_ip(),
        AdminAction::ChangedEmailAddress {
            user_id,
            user_name: user.full_name(),
            old_mail: user.email,
            new_mail,
        },
    )?;

    r.ok()
}

/// Create a password reset link for a Comunic user
pub async fn create_password_reset_link(r: &mut HttpRequestHandler) -> RequestResult {
    r.check_admin_has_role(AdminRole::MANAGE_USERS)?;

    let user_id = r.post_user_id("user_id")?;
    let user = user_helper::find_user_by_id(&user_id)?;

    let token = account_helper::generate_password_reset_token(&user_id)?;
    let reset_link = conf().password_reset_url.replace("{TOKEN}", &token);

    log_admin_action(
        r.admin_id()?,
        &r.remote_ip(),
        AdminAction::CreatePasswordRecoveryLink {
            user_id,
            user_name: user.full_name(),
        },
    )?;

    r.set_response(AdminCreatedPasswordResetLinkApi::new(reset_link))
}