rho-coding-agent 1.28.0

use super::{parse_settings, ConfigWarning};
use pretty_assertions::assert_eq;

// Covers: unknown top-level config keys are a hard load error
// Owner: config load
#[test]
fn unknown_top_level_keys_are_rejected() {
    let error = parse_settings("provder = \"openai\"\nmodel = \"gpt-5.5\"\n").unwrap_err();
    let message = format!("{error:#}");
    assert!(
        message.contains("unknown field `provder`"),
        "unexpected error: {message}"
    );
}

// Covers: unknown nested config keys are a hard load error
// Owner: config load
#[test]
fn unknown_nested_keys_are_rejected() {
    let error = parse_settings(
        r#"
[display]
max_tool_output_liness = 3
"#,
    )
    .unwrap_err();
    let message = format!("{error:#}");
    assert!(
        message.contains("unknown field `max_tool_output_liness`"),
        "unexpected error: {message}"
    );
}

// Covers: unknown providers / ollama / internal_agent fields are hard errors
// Owner: config load
#[test]
fn unknown_provider_and_internal_agent_keys_are_rejected() {
    for (toml, field) in [
        (
            r#"
[providers]
unknown = {}
"#,
            "unknown",
        ),
        (
            r#"
[providers.ollama]
bad_key = "x"
"#,
            "bad_key",
        ),
        (
            r#"
[internal_agents.reviewer]
bad_key = "x"
"#,
            "bad_key",
        ),
    ] {
        let error = parse_settings(toml).unwrap_err();
        let message = format!("{error:#}");
        assert!(
            message.contains(&format!("unknown field `{field}`")),
            "expected unknown field `{field}` in: {message}"
        );
    }
}

// Covers: max_tool_output_lines below 1 clamps with a warning
// Owner: config load
#[test]
fn max_tool_output_lines_clamp_warns() {
    let (config, warnings) = parse_settings(
        r#"
[display]
max_tool_output_lines = 0
"#,
    )
    .unwrap();

    assert_eq!(config.max_tool_output_lines, 1);
    assert_eq!(
        warnings,
        vec![ConfigWarning::Clamped {
            key: "display.max_tool_output_lines",
            from: "0".into(),
            to: "1".into(),
        }]
    );
}

// Covers: unsupported web_search.provider normalizes to auto with a warning
// Owner: config load
#[test]
fn unsupported_web_search_provider_normalizes_with_warning() {
    let (config, warnings) = parse_settings(
        r#"
[web_search]
provider = "unknown"
"#,
    )
    .unwrap();

    assert_eq!(
        config.web_search_provider,
        super::super::SearchProvider::Auto
    );
    assert_eq!(
        warnings,
        vec![ConfigWarning::Normalized {
            key: "web_search.provider",
            from: "\"unknown\"".into(),
            to: "\"auto\"".into(),
        }]
    );
}

// Covers: known keys alone produce no warnings
// Owner: config load
#[test]
fn known_config_produces_no_warnings() {
    let (_config, warnings) = parse_settings(
        r#"
[model]
provider = "openai"
model = "gpt-5.5"
auth = "api-key"
"#,
    )
    .unwrap();
    assert_eq!(warnings, Vec::<ConfigWarning>::new());
}

// Covers: legacy top-level keys remain accepted under deny_unknown_fields
// Owner: config load
#[test]
fn legacy_top_level_keys_still_load() {
    let (config, warnings) = parse_settings(
        r#"
provider = "openai"
model = "gpt-5.5"
auth = "api-key"
max_tool_output_lines = 4
"#,
    )
    .unwrap();
    assert_eq!(config.provider, "openai");
    assert_eq!(config.model, "gpt-5.5");
    assert_eq!(config.max_tool_output_lines, 4);
    assert_eq!(warnings, Vec::<ConfigWarning>::new());
}

// Covers: display.zen_mode loads and defaults off
// Owner: config load
#[test]
fn zen_mode_loads_from_display_group() {
    let (config, warnings) = parse_settings(
        r#"
[display]
zen_mode = true
"#,
    )
    .unwrap();
    assert!(config.zen_mode);
    assert_eq!(warnings, Vec::<ConfigWarning>::new());

    let (defaulted, default_warnings) = parse_settings(
        r#"
[display]
show_reasoning_output = true
"#,
    )
    .unwrap();
    assert!(!defaulted.zen_mode);
    assert_eq!(default_warnings, Vec::<ConfigWarning>::new());
}

// Covers: top-level zen_mode folds into [display]; grouped value wins
// Owner: config load
#[test]
fn legacy_top_level_zen_mode_loads() {
    let (config, warnings) = parse_settings(
        r#"
zen_mode = true
"#,
    )
    .unwrap();
    assert!(config.zen_mode);
    assert_eq!(warnings, Vec::<ConfigWarning>::new());

    let (grouped_wins, grouped_warnings) = parse_settings(
        r#"
zen_mode = true

[display]
zen_mode = false
"#,
    )
    .unwrap();
    assert!(!grouped_wins.zen_mode);
    assert_eq!(grouped_warnings, Vec::<ConfigWarning>::new());
}

// Covers: [model] group provider wins over a top-level provider
// Owner: config load
#[test]
fn model_group_provider_overrides_top_level_provider() {
    let (config, warnings) = parse_settings(
        r#"
provider = "openai"
auth = "api-key"
[model]
provider = "anthropic"
model = "claude-sonnet-4-5"
auth = "anthropic-api-key"
"#,
    )
    .unwrap();
    assert_eq!(config.provider, "anthropic");
    assert_eq!(config.model, "claude-sonnet-4-5");
    assert_eq!(config.auth, "anthropic-api-key");
    assert_eq!(warnings, Vec::<ConfigWarning>::new());
}

// Covers: empty [title] is a no-op; legacy title_* keys still apply
// Owner: config load
#[test]
fn empty_title_section_keeps_legacy_title_keys() {
    let (config, warnings) = parse_settings(
        r#"
provider = "openai"
model = "gpt-5.5"
auth = "api-key"
title_provider = "anthropic"
title_model = "claude-sonnet-4-5"
title_auth = "anthropic-api-key"
[title]
"#,
    )
    .unwrap();
    let title = config
        .internal_agents
        .get("session-title")
        .expect("session-title internal agent");
    assert_eq!(title.provider, "anthropic");
    assert_eq!(title.model, "claude-sonnet-4-5");
    assert_eq!(title.auth, "anthropic-api-key");
    assert_eq!(warnings, Vec::<ConfigWarning>::new());
}