use actix_web::{get, App, HttpServer, Result as AwResult};
use actix_files::Files;
use maud::{DOCTYPE, html, Markup};
use std::io;
use chrono::Local;

#[derive(Clone)]
struct NavElement {
    name: String,
    href: String,
    class: String
}

fn head(page_title: &str) -> Markup {
    html! {
        (DOCTYPE)
        head {
            meta charset="utf-8";
            title { (page_title) }
            link rel="stylesheet" href="static/style.css";
            script src="https://cdn.jsdelivr.net/npm/htmx.org@2.0.6/dist/htmx.min.js" {}
            script { "htmx.config.selfRequestsOnly = false" }
        }
    }
}

fn nav_bar(mut elements: Vec<NavElement>, current: &str) -> Markup {
    elements.first_mut().map(|e| e.class.push_str(" first"));
    elements.last_mut().map(|e| e.class.push_str(" last"));
    elements.iter_mut().filter(|e| e.href == current).for_each(|e| e.class.push_str(" current"));

    html!(
        nav.navBar {
            @for (i, element) in elements.iter().enumerate() {
                ( nav_element(i, element) )
            }
        }
    )
}

fn nav_element(id: usize, element: &NavElement) -> Markup {
    html!(
        a class={( element.class.to_string() )} id={(format!("navElement-{}", id))} href={( element.href )} {( element.name )}
    )
}


fn header(current: &str) -> Markup{
    html!(
        header {
            (nav_bar(vec![
                NavElement{ name: "breadsite".to_string(), href: "/".to_string(), class: String::from("navElement")},
                NavElement{ name: "boop".to_string(), href: "/boop".to_string(), class: String::from("navElement")},
                NavElement{ name: ":333".to_string(), href: "/3".to_string(), class: String::from("navElement")},
            ], current))


            div class="htmx-indicator nowPlaying loading" hx-get="http://localhost:5050/now-playing" hx-swap="outerHTML" hx-trigger="load" { ". . ." }
        }
    )
}

// TODOO: pawer 81x31
// TODOO: pawer links
fn pawer() -> Markup {
    html! {
        pawer {
            @for _ in 1..101 {
                p { "paws...." }
            }
        }
    }
}

// TODOOOO: about me
// TODO: idea: heart rate monitor
// TODO: idea: view counter
// TODO: idea: svg -> neocat generator
fn breadsite() -> Markup {
    html! {
        main {
            h1 { "Hiiii" }
        }
    }
}

fn boop() -> Markup {
    html! {
        main {
            h1 { "Boop me" }
            div class="boop timestamp" { (format!("boops since {}:",Local::now().format("%d/%m/%Y %H:%M UTC%Z"))) }
            div #boop-counter hx-get="http://localhost:5050/boop" hx-trigger="load" {}
            div class="boop stack" {
                img class="unbooped" src="./static/neodog.png" {}
                button class="boop" hx-post="http://localhost:5050/boop" hx-trigger="mousedown throttle:500ms" hx-swap="swap:500ms" hx-target="#boop-counter" {}
            }
        }
    }
}


fn layout(page_title: &str, current: &str,site: Markup) -> Markup {
    html! {
        (head(page_title))
        body {
            (header(current))
            (site)
            (pawer())
        }
    }
}

#[get("/")]
async fn breadsite_index() -> AwResult<Markup> {
    Ok(html! {
        (layout("breadsite", "/", breadsite()))
    })
}

#[get("/boop")]
async fn breadsite_boop() -> AwResult<Markup> {
    Ok(html! {
        (layout("boop", "/boop", boop()))
    })
}

#[get("/3")]
async fn breadsite_3() -> AwResult<Markup> {
    Ok(html! {
        (layout(":333", "/3", breadsite()))
    })
}

#[actix_web::main]
async fn main() -> io::Result<()> {
    HttpServer::new(|| App::new()
        .service(breadsite_index)
        .service(breadsite_boop)
        .service(breadsite_3)
        .service(Files::new("/static", "./static"))
    )
        .bind(("localhost", 8080))?
        .run()
        .await
}