use config_agent::{load_settings, Settings};
use permissions::{Mode, PermissionDecision, Tool};
use std::{env, fs};

#[test]
fn precedence_env_overrides_files() {
    let tmp = tempfile::tempdir().unwrap();
    let project_file = tmp.path().join(".owlen.toml");
    fs::write(&project_file, r#"model="local-model""#).unwrap();

    unsafe { env::set_var("OWLEN_MODEL", "env-model"); }
    let s = load_settings(Some(tmp.path().to_str().unwrap())).unwrap();
    assert_eq!(s.model, "env-model");
}

#[test]
fn default_mode_is_plan() {
    let s = Settings::default();
    assert_eq!(s.mode, "plan");
}

#[test]
fn settings_create_permission_manager_with_plan_mode() {
    let s = Settings::default();
    let mgr = s.create_permission_manager();

    // Plan mode should allow read operations
    assert_eq!(mgr.check(Tool::Read, None), PermissionDecision::Allow);

    // Plan mode should ask for write operations
    assert_eq!(mgr.check(Tool::Write, None), PermissionDecision::Ask);
}

#[test]
fn settings_parse_mode_from_config() {
    let tmp = tempfile::tempdir().unwrap();
    let project_file = tmp.path().join(".owlen.toml");
    fs::write(&project_file, r#"mode="code""#).unwrap();

    let s = load_settings(Some(tmp.path().to_str().unwrap())).unwrap();
    assert_eq!(s.mode, "code");
    assert_eq!(s.get_mode(), Mode::Code);

    let mgr = s.create_permission_manager();
    // Code mode should allow everything
    assert_eq!(mgr.check(Tool::Write, None), PermissionDecision::Allow);
    assert_eq!(mgr.check(Tool::Bash, None), PermissionDecision::Allow);
}