use super::{communities::community_context, render_error, PaginatedQuery};
use crate::{
    assets::initial_context, check_community_permissions, community_context_bools, get_lang,
    get_user_from_token, State,
};
use axum::{
    extract::{Path, Query},
    response::{Html, IntoResponse},
    Extension,
};
use axum_extra::extract::CookieJar;
use tetratto_core::model::{communities::Community, Error};

/// `/forges`
pub async fn home_request(jar: CookieJar, Extension(data): Extension<State>) -> impl IntoResponse {
    let data = data.read().await;
    let user = match get_user_from_token!(jar, data.0) {
        Some(ua) => ua,
        None => {
            return Err(Html(
                render_error(Error::NotAllowed, &jar, &data, &None).await,
            ));
        }
    };

    let list = match data.0.get_memberships_by_owner(user.id).await {
        Ok(p) => p,
        Err(e) => return Err(Html(render_error(e, &jar, &data, &Some(user)).await)),
    };

    let mut communities: Vec<Community> = Vec::new();
    for membership in &list {
        match data
            .0
            .get_community_by_id_no_void(membership.community)
            .await
        {
            Ok(c) => {
                if c.is_forge {
                    communities.push(c)
                } else {
                    // we only want to show forges here
                    continue;
                }
            }
            Err(_) => {
                // delete membership; community doesn't exist
                if let Err(e) = data.0.delete_membership(membership.id, &user).await {
                    return Err(Html(render_error(e, &jar, &data, &Some(user)).await));
                }

                continue;
            }
        }
    }

    let lang = get_lang!(jar, data.0);
    let mut context = initial_context(&data.0.0.0, lang, &Some(user)).await;
    context.insert("list", &communities);

    // return
    Ok(Html(data.1.render("forge/home.html", &context).unwrap()))
}

/// `/forge/{title}`
pub async fn info_request(
    jar: CookieJar,
    Path(title): Path<String>,
    Extension(data): Extension<State>,
) -> impl IntoResponse {
    let data = data.read().await;
    let user = get_user_from_token!(jar, data.0);

    let community = match data.0.get_community_by_title(&title.to_lowercase()).await {
        Ok(ua) => ua,
        Err(e) => return Err(Html(render_error(e, &jar, &data, &user).await)),
    };

    if community.id == 0 {
        // don't show page for void community
        return Err(Html(
            render_error(
                Error::GeneralNotFound("community".to_string()),
                &jar,
                &data,
                &user,
            )
            .await,
        ));
    }

    // check permissions
    let (can_read, _) = check_community_permissions!(community, jar, data, user);

    // init context
    let lang = get_lang!(jar, data.0);
    let mut context = initial_context(&data.0.0.0, lang, &user).await;

    let (
        is_owner,
        is_joined,
        is_pending,
        can_post,
        can_manage_posts,
        can_manage_community,
        can_manage_roles,
        can_manage_questions,
    ) = community_context_bools!(data, user, community);

    community_context(
        &mut context,
        &community,
        is_owner,
        is_joined,
        is_pending,
        can_post,
        can_read,
        can_manage_posts,
        can_manage_community,
        can_manage_roles,
        can_manage_questions,
    );

    // return
    Ok(Html(data.1.render("forge/info.html", &context).unwrap()))
}

/// `/forge/{title}/tickets`
pub async fn tickets_request(
    jar: CookieJar,
    Path(title): Path<String>,
    Query(props): Query<PaginatedQuery>,
    Extension(data): Extension<State>,
) -> impl IntoResponse {
    let data = data.read().await;
    let user = get_user_from_token!(jar, data.0);

    let community = match data.0.get_community_by_title(&title.to_lowercase()).await {
        Ok(ua) => ua,
        Err(e) => return Err(Html(render_error(e, &jar, &data, &user).await)),
    };

    if community.id == 0 {
        // don't show page for void community
        return Err(Html(
            render_error(
                Error::GeneralNotFound("community".to_string()),
                &jar,
                &data,
                &user,
            )
            .await,
        ));
    }

    // check permissions
    let (can_read, _) = check_community_permissions!(community, jar, data, user);

    // ...
    let ignore_users = crate::ignore_users_gen!(user, data);

    let feed = match data
        .0
        .get_posts_by_community(community.id, 12, props.page)
        .await
    {
        Ok(p) => match data.0.fill_posts(p, &ignore_users, &user).await {
            Ok(p) => p,
            Err(e) => return Err(Html(render_error(e, &jar, &data, &user).await)),
        },
        Err(e) => return Err(Html(render_error(e, &jar, &data, &user).await)),
    };

    // let pinned = match data.0.get_pinned_posts_by_community(community.id).await {
    //     Ok(p) => match data.0.fill_posts(p, &ignore_users, &user).await {
    //         Ok(p) => p,
    //         Err(e) => return Err(Html(render_error(e, &jar, &data, &user).await)),
    //     },
    //     Err(e) => return Err(Html(render_error(e, &jar, &data, &user).await)),
    // };

    // init context
    let lang = get_lang!(jar, data.0);
    let mut context = initial_context(&data.0.0.0, lang, &user).await;

    let (
        is_owner,
        is_joined,
        is_pending,
        can_post,
        can_manage_posts,
        can_manage_community,
        can_manage_roles,
        can_manage_questions,
    ) = community_context_bools!(data, user, community);

    context.insert("feed", &feed);
    // context.insert("pinned", &pinned);
    context.insert("page", &props.page);
    community_context(
        &mut context,
        &community,
        is_owner,
        is_joined,
        is_pending,
        can_post,
        can_read,
        can_manage_posts,
        can_manage_community,
        can_manage_roles,
        can_manage_questions,
    );

    // return
    Ok(Html(data.1.render("forge/tickets.html", &context).unwrap()))
}