use rustbot::i18n::Locale;
use rustbot::karma_web::{parse_board, parse_events, parse_meta, render, Channel};

fn board_with_events(net: &str, store: &str, log: &str) -> rustbot::karma_web::Board {
    let mut b = parse_board(net, store);
    b.events = parse_events(log);
    b
}

#[test]
fn parses_flat_number_format() {
    let b = parse_board("libera", r#"{"romaka":2}"#);
    assert_eq!(b.rows.len(), 1);
    assert_eq!(b.rows[0].thing, "romaka");
    assert_eq!(b.rows[0].count, 2);
}

#[test]
fn parses_object_format_with_reason_and_by() {
    let b = parse_board("t", r#"{"rust":{"n":5,"why":"clean PR","by":"alice"}}"#);
    assert_eq!(b.rows[0].count, 5);
    assert_eq!(b.rows[0].reason.as_deref(), Some("clean PR"));
    assert_eq!(b.rows[0].by.as_deref(), Some("alice"));
}

#[test]
fn sorts_descending_by_count() {
    let b = parse_board("t", r#"{"a":1,"b":9,"c":-3}"#);
    let order: Vec<&str> = b.rows.iter().map(|r| r.thing.as_str()).collect();
    assert_eq!(order, vec!["b", "a", "c"]);
}

#[test]
fn parses_event_log_lines() {
    let log = "{\"t\":100,\"o\":\"rust\",\"d\":1,\"by\":\"alice\",\"why\":\"clean PR\"}\n\
               {\"t\":200,\"o\":\"rust\",\"d\":-1,\"by\":\"bob\"}\n\
               \n\
               garbage line\n";
    let ev = parse_events(log);
    assert_eq!(ev.len(), 2);
    assert_eq!(ev[0].thing, "rust");
    assert_eq!(ev[0].delta, 1);
    assert_eq!(ev[0].by.as_deref(), Some("alice"));
    assert_eq!(ev[0].why.as_deref(), Some("clean PR"));
    assert_eq!(ev[1].delta, -1);
    assert!(ev[1].why.is_none());
}

#[test]
fn renders_hero_podium_and_scores() {
    let b = parse_board(
        "libera",
        r#"{"rust":{"n":5,"why":"clean PR","by":"alice"}}"#,
    );
    let html = render(&[b], 0, Locale::En);
    assert!(html.contains(">karma<"), "wordmark missing");
    assert!(html.contains("podium"), "no podium");
    assert!(html.contains(">rust<"), "champion nick missing");
    assert!(html.contains(">+5<"), "score missing");
    assert!(html.contains("clean PR"), "reason missing");
}

#[test]
fn renders_activity_and_givers_from_events() {
    let log = "{\"t\":100,\"o\":\"rust\",\"d\":1,\"by\":\"alice\",\"why\":\"clean PR\"}\n\
               {\"t\":200,\"o\":\"docs\",\"d\":1,\"by\":\"alice\"}\n";
    let b = board_with_events("libera", r#"{"rust":1,"docs":1}"#, log);
    let html = render(&[b], 0, Locale::En);
    assert!(html.contains("recent activity"), "no activity section");
    assert!(html.contains("top givers"), "no givers section");
    assert!(html.contains("gave"), "no feed verb");
    assert!(html.contains("2 gifts"), "giver count wrong");
    assert!(html.contains("data-t=\"200\""), "feed newest-first missing");
}

#[test]
fn empty_states_are_friendly() {
    let html = render(&[], 0, Locale::En);
    assert!(html.contains("No karma yet"), "{html}");
    let b = parse_board("libera", r#"{"romaka":2}"#);
    let html = render(&[b], 0, Locale::En);
    assert!(html.contains("Nothing yet"), "empty activity state missing");
    assert!(html.contains("Be the first"), "empty givers state missing");
}

#[test]
fn renders_spanish_chrome() {
    let log = "{\"t\":100,\"o\":\"rust\",\"d\":1,\"by\":\"nadia\",\"why\":\"buen PR\"}\n";
    let b = board_with_events("libera", r#"{"rust":1}"#, log);
    let html = render(&[b], 0, Locale::Es);
    assert!(html.contains("karma neto"), "es stat label missing");
    assert!(
        html.contains("actividad reciente"),
        "es activity heading missing"
    );
    assert!(html.contains("top donantes"), "es givers heading missing");
    assert!(html.contains("le dio a"), "es feed verb missing");
    // relative-time config for the client is Spanish
    assert!(html.contains("\"pre\":\"hace \""), "es time config missing");
    // user content is never translated
    assert!(html.contains("buen PR") && html.contains(">rust<"));
}

#[test]
fn parses_meta_channels_with_and_without_topic() {
    // new format: objects with an optional topic
    let (server, channels) = parse_meta(
        r##"{"server":"irc.libera.chat","channels":[{"name":"#argentina","topic":"Bienvenidos"},{"name":"#ar"}]}"##,
    );
    assert_eq!(server, "irc.libera.chat");
    assert_eq!(channels.len(), 2);
    assert_eq!(channels[0].name, "#argentina");
    assert_eq!(channels[0].topic.as_deref(), Some("Bienvenidos"));
    assert!(channels[1].topic.is_none());
    // old format (bare strings) still parses
    let (_, old) = parse_meta(r##"{"server":"x","channels":["#c"]}"##);
    assert_eq!(old[0].name, "#c");
    assert!(old[0].topic.is_none());
    // garbage degrades to empty
    let (s, c) = parse_meta("not json");
    assert!(s.is_empty() && c.is_empty());
}

#[test]
fn renders_source_channel_server_and_topic() {
    let mut b = parse_board("libera", r#"{"romaka":2}"#);
    b.server = "irc.libera.chat".to_string();
    b.channels = vec![Channel {
        name: "#argentina".to_string(),
        topic: Some("Argentina en Libera - stats https://qadlo.example/".to_string()),
    }];
    let en = render(&[b], 0, Locale::En);
    assert!(en.contains("#argentina"), "channel missing");
    assert!(en.contains("irc.libera.chat"), "server missing");
    assert!(en.contains(">from<"), "from label missing");
    // the topic text shows, and its URL becomes a safe link
    assert!(en.contains("Argentina en Libera"), "topic text missing");
    assert!(
        en.contains("<a href=\"https://qadlo.example/\""),
        "topic url not linkified: {en}"
    );
    // spanish label still works with no topic
    let mut b2 = parse_board("libera", r#"{"romaka":2}"#);
    b2.channels = vec![Channel {
        name: "#argentina".to_string(),
        topic: None,
    }];
    let es = render(&[b2], 0, Locale::Es);
    assert!(es.contains(">desde<") && es.contains("#argentina"), "{es}");
}

#[test]
fn topic_cannot_inject_markup() {
    let mut b = parse_board("t", r#"{"x":1}"#);
    b.channels = vec![Channel {
        name: "#c".to_string(),
        topic: Some("<script>evil</script> javascript:alert(1)".to_string()),
    }];
    let html = render(&[b], 0, Locale::En);
    assert!(!html.contains("<script>evil"), "topic markup leaked");
    assert!(!html.contains("href=\"javascript:"), "js scheme linkified");
    assert!(html.contains("&lt;script&gt;evil"), "topic not escaped");
}

#[test]
fn escapes_untrusted_irc_input_everywhere() {
    let log = "{\"t\":1,\"o\":\"<script>\",\"d\":1,\"by\":\"a&b\",\"why\":\"\\\"><img src=x>\"}\n";
    let b = board_with_events(
        "t",
        r#"{"<script>":{"n":1,"why":"\"><img src=x>","by":"a&b"}}"#,
        log,
    );
    let html = render(&[b], 0, Locale::En);
    assert!(!html.contains("<img"), "raw img tag leaked");
    assert!(html.contains("&lt;script&gt;"), "nick not escaped");
    assert!(html.contains("a&amp;b"), "giver not escaped");
}