//! Tests for the cron tick. Do not edit.

mod support;

use bxcore::Timestamp;
use loopd::channel::Context;
use loopd::jobs::{self, RunStatus};
use loopd::llama::Client;
use loopd::memory::NoMemory;
use loopd::scheduler::{Scheduler, TickWork};
use loopd::tools::Registry;
use std::sync::Arc;
use support::{FakeServer, Home, Reply, ScriptedPort};

const CHAT: &str = "/v1/chat/completions";

fn sse() -> Reply {
    let data1 = r#"data: {"choices":[{"finish_reason":null,"index":0,"delta":{"content":"done"}}],"id":"j","timings":{"cache_n":0,"prompt_n":10,"predicted_n":1}}"#;
    let data2 = r#"data: {"choices":[{"finish_reason":"stop","index":0,"delta":{}}],"id":"j","timings":{"cache_n":0,"prompt_n":10,"predicted_n":1}}"#;
    let body = format!("{data1}\n\n{data2}\n\ndata: [DONE]\n\n");
    Reply::raw(format!(
        "HTTP/1.1 200 OK\r\nContent-Type: text/event-stream\r\nContent-Length: {}\r\nConnection: close\r\n\r\n{body}",
        body.len()
    ))
}

fn ts(s: &str) -> Timestamp {
    Timestamp::parse(s).unwrap()
}

fn world(schedule: &str) -> (Home, FakeServer, Arc<Context>) {
    let home = Home::new();
    home.write("compact.md", "Summarise.\n");
    home.write(
        "jobs/mail.toml",
        &format!("schedule = \"{schedule}\"\nprompt = \"Check mail.\"\n"),
    );
    let server = FakeServer::start();
    let cfg = home.config(&server.socket);
    server.route(CHAT, vec![sse(), sse()]);
    let ctx = Arc::new(Context::new(
        cfg.clone(),
        Client::new(cfg),
        Box::new(ScriptedPort::new(vec![])),
        Registry::m2b(),
        Box::new(NoMemory),
    ));
    (home, server, ctx)
}

#[test]
fn a_due_job_starts_a_new_session_on_the_background_slot() {
    let (home, server, ctx) = world("0 7 * * *");
    let mut sched = Scheduler::new(ts("2026-10-03T06:00:00.000Z"));
    let work = sched.tick(&ctx, ts("2026-10-03T07:00:00.000Z"));
    let want = jobs::session_id("mail", ts("2026-10-03T07:00:00.000Z")).unwrap();
    assert_eq!(
        work,
        vec![TickWork::Job {
            name: "mail".to_string(),
            session: want.clone()
        }]
    );
    let sent = server.requests_to(CHAT);
    assert_eq!(sent.len(), 1);
    assert_eq!(sent[0].json()["id_slot"], 1);
    let body = sent[0].json();
    let last = body["messages"].as_array().unwrap().last().unwrap();
    let content = last["content"].as_str().unwrap();
    assert!(
        content.starts_with("It is 2026-10-03T07:00:00.000Z."),
        "{content}"
    );
    assert!(content.contains("Check mail."), "{content}");
    let s = loopd::session::Session::open(&home.dir, want).unwrap();
    assert_eq!(s.slot(), 1);
}

#[test]
fn a_job_not_due_does_not_run() {
    let (_home, server, ctx) = world("0 7 * * *");
    let mut sched = Scheduler::new(ts("2026-10-03T06:00:00.000Z"));
    let work = sched.tick(&ctx, ts("2026-10-03T06:59:00.000Z"));
    assert!(work.is_empty());
    assert!(server.requests_to(CHAT).is_empty());
}

#[test]
fn a_live_previous_run_skips_the_tick() {
    let (home, server, ctx) = world("* * * * *");
    let ledger = home.dir.join("jobs/runs.jsonl");
    let previous = jobs::session_id("mail", ts("2026-10-03T06:59:00.000Z")).unwrap();
    jobs::append(
        &ledger,
        &jobs::Run {
            time: ts("2026-10-03T06:59:00.000Z"),
            name: "mail".to_string(),
            session: previous.clone(),
            status: RunStatus::Started,
        },
    )
    .unwrap();
    let held = ctx.hold(previous).expect("hold");
    let mut sched = Scheduler::new(ts("2026-10-03T06:00:00.000Z"));
    let work = sched.tick(&ctx, ts("2026-10-03T07:00:00.000Z"));
    assert_eq!(
        work,
        vec![TickWork::SkippedJob {
            name: "mail".to_string()
        }]
    );
    assert!(server.requests_to(CHAT).is_empty());
    let text = home.read("jobs/runs.jsonl");
    assert!(text.contains("started"), "{text}");
    assert!(
        !text.contains("failed"),
        "a leftover still held is not closed as failed: {text}"
    );
    drop(held);
}

#[test]
fn leftover_started_is_failed_on_the_first_tick() {
    let (home, _server, ctx) = world("* * * * *");
    let ledger = home.dir.join("jobs/runs.jsonl");
    let previous = jobs::session_id("mail", ts("2026-10-03T06:59:00.000Z")).unwrap();
    jobs::append(
        &ledger,
        &jobs::Run {
            time: ts("2026-10-03T06:59:00.000Z"),
            name: "mail".to_string(),
            session: previous.clone(),
            status: RunStatus::Started,
        },
    )
    .unwrap();
    let mut sched = Scheduler::new(ts("2026-10-03T07:00:00.000Z"));
    sched.tick(&ctx, ts("2026-10-03T07:00:00.000Z"));
    let text = home.read("jobs/runs.jsonl");
    assert!(
        text.contains("failed"),
        "leftover started was closed: {text}"
    );
    assert!(text.contains(previous.as_str()), "{text}");
}

#[test]
fn a_cron_turn_has_no_speaker() {
    let (home, _server, ctx) = world("0 7 * * *");
    let mut sched = Scheduler::new(ts("2026-10-03T06:00:00.000Z"));
    sched.tick(&ctx, ts("2026-10-03T07:00:00.000Z"));
    let id = jobs::session_id("mail", ts("2026-10-03T07:00:00.000Z")).unwrap();
    let recs = {
        let text = home.read(&format!("sessions/{}/0.jsonl", id.as_str()));
        text.lines()
            .map(|l| serde_json::from_str::<bxcore::LogRecord>(l).unwrap())
            .collect::<Vec<_>>()
    };
    let user = recs
        .iter()
        .find_map(|r| match r {
            bxcore::LogRecord::User { speaker, .. } => Some(speaker),
            _ => None,
        })
        .unwrap();
    assert_eq!(user, &None);
}

#[test]
fn two_due_minutes_make_two_sessions() {
    let (home, server, ctx) = world("* * * * *");
    let mut sched = Scheduler::new(ts("2026-10-03T06:58:00.000Z"));
    sched.tick(&ctx, ts("2026-10-03T06:59:00.000Z"));
    sched.tick(&ctx, ts("2026-10-03T07:00:00.000Z"));
    assert_eq!(server.requests_to(CHAT).len(), 2);
    let a = jobs::session_id("mail", ts("2026-10-03T06:59:00.000Z")).unwrap();
    let b = jobs::session_id("mail", ts("2026-10-03T07:00:00.000Z")).unwrap();
    assert_ne!(a, b);
    assert!(
        home.dir
            .join(format!("sessions/{}/0.jsonl", a.as_str()))
            .is_file()
    );
    assert!(
        home.dir
            .join(format!("sessions/{}/0.jsonl", b.as_str()))
            .is_file()
    );
}