//! Tests for `[heartbeat]` and unknown `[compact] summarise` names. Do not edit.

use loopd::config::Config;
use loopd::tools::Registry;
use std::path::{Path, PathBuf};

fn fixture(name: &str) -> PathBuf {
    Path::new(env!("CARGO_MANIFEST_DIR"))
        .join("tests/fixtures/config")
        .join(name)
}

fn minimal() -> String {
    std::fs::read_to_string(fixture("minimal.toml")).unwrap()
}

struct Scratch {
    dir: PathBuf,
}

impl Scratch {
    fn new() -> Scratch {
        let n = std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)
            .unwrap()
            .as_nanos();
        let dir = std::env::temp_dir().join(format!("loopd-hb-{}-{n}", std::process::id()));
        let _ = std::fs::remove_dir_all(&dir);
        std::fs::create_dir_all(&dir).unwrap();
        Scratch { dir }
    }
}

impl Drop for Scratch {
    fn drop(&mut self) {
        let _ = std::fs::remove_dir_all(&self.dir);
    }
}

#[test]
fn missing_heartbeat_table_is_disabled() {
    let c = Config::load(&fixture("minimal.toml")).unwrap();
    assert_eq!(c.heartbeat.every_s, 0);
    assert_eq!(
        c.heartbeat_prompt(),
        fixture("minimal.toml")
            .parent()
            .unwrap()
            .join("heartbeat.md")
    );
}

#[test]
fn the_table_overrides_every_default() {
    let text = format!(
        "{}\n[heartbeat]\nevery_s = 60\nprompt = \"pulse.md\"\n",
        minimal()
    );
    let c = Config::parse(&text).unwrap();
    assert_eq!(c.heartbeat.every_s, 60);
    assert_eq!(c.heartbeat.prompt, PathBuf::from("pulse.md"));
}

#[test]
fn unknown_keys_are_errors() {
    let bad = format!("{}\n[heartbeat]\nzz_unknown = 1\n", minimal());
    assert!(Config::parse(&bad).is_err());
}

#[test]
fn heartbeat_prompt_is_beside_the_config_file() {
    let home = Scratch::new();
    let cfg_path = home.dir.join("loopd.toml");
    std::fs::write(&cfg_path, minimal()).unwrap();
    std::fs::write(home.dir.join("system.md"), "sys\n").unwrap();
    let c = Config::load(&cfg_path).unwrap();
    assert_eq!(c.heartbeat_prompt(), home.dir.join("heartbeat.md"));
}

#[test]
fn default_summarise_http_fetch_is_known_to_m5c() {
    let c = Config::parse(&minimal()).unwrap();
    c.check_summarise(&Registry::m5c()).unwrap();
}

#[test]
fn an_unknown_summarise_name_is_an_error() {
    let text = format!("{}\n[compact]\nsummarise = [\"no_such_tool\"]\n", minimal());
    let c = Config::parse(&text).unwrap();
    let err = c.check_summarise(&Registry::m5c()).unwrap_err();
    assert!(err.contains("no_such_tool"), "{err}");
    assert!(err.contains("summarise"), "{err}");
}

#[test]
fn empty_summarise_is_allowed() {
    let text = format!("{}\n[compact]\nsummarise = []\n", minimal());
    let c = Config::parse(&text).unwrap();
    c.check_summarise(&Registry::m5c()).unwrap();
}

#[test]
fn http_fetch_is_known_and_clock_is_known() {
    let text = format!(
        "{}\n[compact]\nsummarise = [\"http_fetch\", \"clock\"]\n",
        minimal()
    );
    let c = Config::parse(&text).unwrap();
    c.check_summarise(&Registry::m5c()).unwrap();
}