use rustbot::i18n::Locale;
use rustbot::karma_web::{parse_board, parse_events, parse_meta, render, render_json, 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_topic_and_users() {
    let m = parse_meta(
        r##"{"server":"irc.libera.chat","webchat":"https://web.libera.chat/","seen":123,"channels":[{"name":"#argentina","topic":"Bienvenidos","users":42},{"name":"#ar"}]}"##,
    );
    assert_eq!(m.server, "irc.libera.chat");
    assert_eq!(m.webchat, "https://web.libera.chat/");
    assert_eq!(m.seen, 123);
    assert_eq!(m.channels.len(), 2);
    assert_eq!(m.channels[0].name, "#argentina");
    assert_eq!(m.channels[0].topic.as_deref(), Some("Bienvenidos"));
    assert_eq!(m.channels[0].users, Some(42));
    assert!(m.channels[1].topic.is_none() && m.channels[1].users.is_none());
    // old bare-string format still parses
    let old = parse_meta(r##"{"server":"x","channels":["#c"]}"##);
    assert_eq!(old.channels[0].name, "#c");
    // garbage degrades to empty
    let g = parse_meta("not json");
    assert!(g.server.is_empty() && g.channels.is_empty());
}

#[test]
fn renders_source_topic_users_join_and_online() {
    let mut b = parse_board("libera", r#"{"romaka":2}"#);
    b.server = "irc.libera.chat".to_string();
    b.webchat = "https://web.libera.chat/".to_string();
    b.seen = 1000;
    b.channels = vec![Channel {
        name: "#argentina".to_string(),
        topic: Some("Argentina en Libera - stats https://qadlo.example/".to_string()),
        users: Some(42),
    }];
    let en = render(&[b], 1100, Locale::En); // now close to seen -> online
    assert!(en.contains("#argentina"), "channel missing");
    assert!(en.contains("irc.libera.chat"), "server missing");
    assert!(en.contains("Argentina en Libera"), "topic missing");
    assert!(
        en.contains("<a href=\"https://qadlo.example/\""),
        "topic url not linkified"
    );
    assert!(en.contains("42 online"), "user count missing");
    assert!(
        en.contains("https://web.libera.chat/#argentina"),
        "join link missing"
    );
    assert!(en.contains("class=\"dot on\""), "online dot missing");
    // og description present
    assert!(
        en.contains("property=\"og:description\""),
        "og tags missing"
    );
}

#[test]
fn online_dot_goes_offline_when_stale() {
    let mut b = parse_board("t", r#"{"x":1}"#);
    b.seen = 1000;
    let html = render(&[b], 9_999_999, Locale::En);
    assert!(html.contains("class=\"dot off\""), "should be offline");
}

#[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()),
        users: None,
    }];
    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 renders_analytics_sections() {
    let now = 2_000_000u64;
    let mut log = String::new();
    for i in 0..12u64 {
        let t = now - (12 - i) * 3600;
        let why = if i == 0 {
            ",\"why\":\"clean code\""
        } else {
            ""
        };
        log.push_str(&format!(
            "{{\"t\":{t},\"o\":\"rust\",\"d\":1,\"by\":\"nadia\"{why}}}\n"
        ));
    }
    log.push_str(&format!(
        "{{\"t\":{},\"o\":\"php\",\"d\":-1,\"by\":\"sam\",\"why\":\"footgun\"}}\n",
        now - 1000
    ));
    let b = board_with_events("libera", r#"{"rust":12,"php":-1}"#, &log);
    let html = render(&[b], now, Locale::En);
    assert!(html.contains("rising this week"), "no rising strip");
    assert!(html.contains("karma over time"), "no chart");
    assert!(html.contains("most debated"), "no most-debated");
    assert!(
        html.contains("milestones") && html.contains("reached"),
        "no milestones"
    );
    assert!(html.contains("recent reasons"), "no reasons wall");
    assert!(
        html.contains("clean code") && html.contains("footgun"),
        "reasons missing"
    );
}

#[test]
fn render_json_is_machine_readable() {
    let b = parse_board("libera", r#"{"rust":{"n":5,"why":"clean","by":"a"}}"#);
    let j = render_json(&[b], 42);
    assert!(j.contains("\"generated\":42"), "{j}");
    assert!(j.contains("\"network\":\"libera\""), "{j}");
    assert!(j.contains("\"thing\":\"rust\",\"karma\":5"), "{j}");
    assert!(j.contains("\"reason\":\"clean\""), "{j}");
}

#[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");
}