//! tip: the cheat sheet page (render, JSON, --random, REPL completion).

mod common;

use agent_manager::cli::Cli;
use agent_manager::commands::tip_cmd;
use clap::Parser;

#[test]
fn tip_page_renders_header_sections_and_options() {
    // Issue #74: the page follows the locale; force French here so the
    // assertions are deterministic whatever the host LANG says.
    let app = common::test_app("tip", &["--lang", "fr", "tip"]);
    let text = tip_cmd::render(&app, false);
    assert!(text.contains("TIP"), "header missing:\n{text}");
    assert!(text.contains("antisèche"), "subtitle missing:\n{text}");
    for title in [
        "Lancer & piloter",
        "Installer & maintenir",
        "Observer",
        "Personnaliser",
        "Boîte à outils",
    ] {
        assert!(text.contains(title), "missing section '{title}':\n{text}");
    }
    assert!(text.contains("start <agent>"), "missing usage line");
    assert!(text.contains("--background"), "missing option");
    assert!(text.contains("Le saviez-vous"), "missing tip of the day");
    assert!(
        text.contains("Vos commandes les plus utilisées"),
        "missing personal section"
    );
}

#[test]
fn tip_json_output_is_structured() {
    let app = common::test_app("tip-json", &["tip", "--json"]);
    let text = tip_cmd::render(&app, false);
    let v: serde_json::Value = serde_json::from_str(&text).expect("valid JSON output");
    assert!(v["sections"].is_array(), "sections missing");
    assert_eq!(v["sections"].as_array().unwrap().len(), 5);
    assert!(v["tip"]["title"].is_string());
    assert!(v["tip"]["body"].is_string());
    assert!(v["most_used"].is_array());
}

#[test]
fn tip_random_prints_a_single_tip() {
    let app = common::test_app("tip-rnd", &["tip", "--random"]);
    let text = tip_cmd::render(&app, true);
    assert!(text.contains("💡"), "random tip missing: {text}");
    assert!(!text.contains("antisèche"), "random mode must not print the page");
}

#[test]
fn tip_run_succeeds() {
    let app = common::test_app("tip-run", &["tip"]);
    assert_eq!(tip_cmd::run(&app, false).unwrap(), 0);
}

#[test]
fn cli_parses_tip_flags() {
    let cli = Cli::parse_from(["am", "tip", "--random"]);
    match cli.command {
        Some(agent_manager::cli::Command::Tip { random }) => assert!(random, "--random must be parsed"),
        other => panic!("unexpected command: {other:?}"),
    }
}

#[test]
fn repl_completion_proposes_tip() {
    let app = common::test_app("tip-comp", &["list"]);
    let c = agent_manager::repl::AmCompleter::new(&app);
    let (_, cands) = c.candidates_for("ti", 2);
    assert!(cands.contains(&"tip".to_string()), "candidates: {cands:?}");
}