use crate::backend::data::ApiResponse;
use crate::components::modal_box::{DialogOpener, ModalBody, ModalDialog, ModalFooter};
use leptos::*;
use leptos::server_fn::client::browser::BrowserClient;
use leptos::server_fn::codec::{Json, PostUrl};
use leptos::server_fn::error::NoCustomError;
use leptos::server_fn::ServerFn;
use leptos_router::*;
use serde::de::DeserializeOwned;
use validator::Validate;
use crate::components::server_err::ServerErr;
use crate::components::validation_err::ValidationErr;
use crate::locales::trl;
use crate::validator::Validator;

pub trait ForValidation {
    fn entity(&self) -> &dyn Validate;
}

#[component]
pub fn data_form<T: 'static + Clone +
    ServerFn<Client = BrowserClient,
        InputEncoding = PostUrl,
        OutputEncoding = Json,
        Error = NoCustomError,
        Output = ApiResponse<()>> +
    DeserializeOwned + ForValidation>(
    opener: DialogOpener,
    action: Action<T, Result<ApiResponse<()>, ServerFnError>>,
    title: &'static str,
    children: Children
) -> impl IntoView {
    let upd_val = action.value();
    let validator = Validator::new();

    view! {
        <ActionForm
            on:submit=move |ev| {
                let act = T::from_event(&ev);
                if !act.is_err() {
                    validator.check(act.unwrap().entity(), &ev);
                }
            }
            action=action>
        <ModalDialog opener=opener title=title validator=validator>
            <ModalBody>
                <ServerErr result={upd_val} opener=opener/>
                <ValidationErr validator=validator />
                {children()}
            </ModalBody>
            <ModalFooter>
                <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal"
                    on:click=move |_| {
                        validator.reset();
                        opener.hide();}>
                    {trl("Close")}
                </button>
                <button type="submit" class="btn btn-primary">
                    {trl("Save changes")}
                </button>
            </ModalFooter>
        </ModalDialog>
        </ActionForm>
    }
}

#[component]
pub fn question_dialog<T: 'static
        + ServerFn<Client = BrowserClient,
            InputEncoding = PostUrl,
            OutputEncoding = Json,
            Error = NoCustomError,
            Output = ApiResponse<()>>
        + DeserializeOwned
        + Clone>(
    opener: DialogOpener,
    action: Action<T, Result<ApiResponse<()>, ServerFnError>>,
    title: &'static str,
    children: Children
) -> impl IntoView {
    let upd_val = action.value();

    view! {
        <ActionForm action=action>
        <ModalDialog opener=opener title=title>
            <ModalBody>
                <ServerErr result={upd_val} opener=opener/>
                {children()}
            </ModalBody>
            <ModalFooter>
                <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal"
                    on:click=move |_| {
                        opener.hide();}>
                    {trl("No")}
                </button>
                <button type="submit" class="btn btn-primary">
                    {trl("Yes")}
                </button>
            </ModalFooter>
        </ModalDialog>
        </ActionForm>
    }
}