remem-ai 0.6.35

use super::parse::InvalidObservationTypeDrop;
use super::*;

#[test]
fn parse_observations_title_case_tags() {
    let xml = r#"
<Observation>
  <type>decision</type>
  <title>Title case tag</title>
</Observation>
"#;
    let parsed = parse_observations(xml);
    assert_eq!(
        parsed.len(),
        1,
        "Observation with title-case tags must be parsed"
    );
    assert_eq!(parsed[0].title.as_deref(), Some("Title case tag"));
}

#[test]
fn parse_observations_upper_case_tags() {
    let xml = r#"
<OBSERVATION>
  <type>decision</type>
  <title>Upper case tag</title>
</OBSERVATION>
"#;
    let parsed = parse_observations(xml);
    assert_eq!(
        parsed.len(),
        1,
        "OBSERVATION with all-caps tags must be parsed"
    );
    assert_eq!(parsed[0].title.as_deref(), Some("Upper case tag"));
}

#[test]
fn parse_observations_mixed_case_open_and_close() {
    let xml = r#"<Observation><type>bugfix</type><title>Mixed close</title></observation>"#;
    let parsed = parse_observations(xml);
    assert_eq!(parsed.len(), 1, "Mixed-case open/close tags must be parsed");
    assert_eq!(parsed[0].obs_type, "bugfix");
}

#[test]
fn parse_observations_multiple_mixed_case() {
    let xml = r#"
<OBSERVATION>
  <type>decision</type>
  <title>First</title>
</OBSERVATION>
<observation>
  <type>bugfix</type>
  <title>Second</title>
</observation>
<Observation>
  <type>discovery</type>
  <title>Third</title>
</Observation>
"#;
    let parsed = parse_observations(xml);
    assert_eq!(
        parsed.len(),
        3,
        "All three mixed-case observation blocks must be parsed"
    );
    assert_eq!(parsed[0].title.as_deref(), Some("First"));
    assert_eq!(parsed[1].title.as_deref(), Some("Second"));
    assert_eq!(parsed[2].title.as_deref(), Some("Third"));
}

#[test]
fn parse_observations_normalizes_legal_type_case_before_validation() {
    for observation_type in OBSERVATION_TYPES {
        let title_case = format!(
            "{}{}",
            observation_type[..1].to_ascii_uppercase(),
            &observation_type[1..]
        );
        for raw_type in [title_case, observation_type.to_ascii_uppercase()] {
            let xml =
                format!("<observation><type> {raw_type} </type><title>Case</title></observation>");

            let outcome = parse_observations_with_outcome(&xml);

            assert!(
                !outcome.had_invalid_type(),
                "legal type casing should not be rejected: {raw_type}"
            );
            assert_eq!(outcome.observations.len(), 1, "raw type: {raw_type}");
            assert_eq!(
                outcome.observations[0].obs_type, *observation_type,
                "raw type: {raw_type}"
            );
        }
    }
}

#[test]
fn parse_observations_filters_type_concept_case_insensitively() {
    let xml = r#"
<observation>
  <type>Decision</type>
  <title>Decision case</title>
  <concepts><concept>decision</concept><concept>DECISION</concept><concept>architecture</concept></concepts>
</observation>
"#;

    let parsed = parse_observations(xml);

    assert_eq!(parsed.len(), 1);
    assert_eq!(parsed[0].obs_type, "decision");
    assert_eq!(parsed[0].concepts, vec!["architecture"]);
}

#[test]
fn uppercase_unsupported_types_remain_unknown_with_raw_log_evidence() {
    let log_dir = std::env::temp_dir().join(format!(
        "remem-observation-type-uppercase-unknown-{}-{}",
        std::process::id(),
        std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)
            .expect("system time should follow Unix epoch")
            .as_nanos()
    ));
    std::fs::create_dir_all(&log_dir).expect("test log directory should be created");

    let xml = r#"
<observation><type>PREFERENCE</type><title>Unsupported</title></observation>
<observation><type>ARCHITECTURE</type><title>Unsupported</title></observation>
"#;
    let outcome = crate::log::with_log_dir(&log_dir, || parse_observations_with_outcome(xml));

    assert!(outcome.observations.is_empty());
    assert_eq!(
        outcome.invalid_type_drops,
        vec![
            InvalidObservationTypeDrop::Unknown,
            InvalidObservationTypeDrop::Unknown,
        ]
    );
    let log = std::fs::read_to_string(log_dir.join("remem.log"))
        .expect("observation parser error log should be readable");
    assert!(log.contains("raw_type_preview=\"PREFERENCE\" raw_type_bytes=10"));
    assert!(log.contains("raw_type_preview=\"ARCHITECTURE\" raw_type_bytes=12"));

    std::fs::remove_dir_all(log_dir).expect("test log directory should be removed");
}

#[test]
fn extract_field_scans_from_open_tag() {
    let body = "</title><title>ok</title>";
    assert_eq!(extract_field(body, "title").as_deref(), Some("ok"));
}

#[test]
fn xml_escape_escapes_angle_and_amp() {
    assert_eq!(xml_escape_text(r#"a<&>"'"#), "a&lt;&amp;&gt;&quot;&apos;");
}

#[test]
fn parse_observations_reads_and_clamps_confidence() {
    let xml = r#"
<observation>
  <type>decision</type>
  <title>Valid</title>
  <confidence>0.42</confidence>
</observation>
<observation>
  <type>decision</type>
  <title>Above range</title>
  <confidence>3.5</confidence>
</observation>
<observation>
  <type>decision</type>
  <title>Below range</title>
  <confidence>-0.2</confidence>
</observation>
<observation>
  <type>decision</type>
  <title>Invalid</title>
  <confidence>high</confidence>
</observation>
<observation>
  <type>decision</type>
  <title>Missing</title>
</observation>
"#;
    let parsed = parse_observations(xml);
    assert_eq!(parsed.len(), 5);
    assert_eq!(parsed[0].confidence, Some(0.42));
    assert_eq!(parsed[1].confidence, Some(1.0));
    assert_eq!(parsed[2].confidence, Some(0.0));
    assert_eq!(parsed[3].confidence, None);
    assert_eq!(parsed[4].confidence, None);
}

#[test]
fn parse_observations_drops_missing_and_unknown_types_with_error_reasons() {
    let log_dir = std::env::temp_dir().join(format!(
        "remem-observation-type-{}-{}",
        std::process::id(),
        std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)
            .expect("system time should follow Unix epoch")
            .as_nanos()
    ));
    std::fs::create_dir_all(&log_dir).expect("test log directory should be created");

    let xml = r#"
<observation>
  <type>unknown</type>
  <title>Unknown</title>
</observation>
<observation>
  <title>Missing</title>
</observation>
<observation>
  <type>decision</type>
  <title>Valid</title>
</observation>
"#;

    let outcome = crate::log::with_log_dir(&log_dir, || parse_observations_with_outcome(xml));
    assert_eq!(
        outcome.invalid_type_drops,
        vec![
            InvalidObservationTypeDrop::Unknown,
            InvalidObservationTypeDrop::Missing,
        ]
    );
    assert!(outcome.had_invalid_type());
    assert_eq!(outcome.observations.len(), 1);
    assert_eq!(outcome.observations[0].obs_type, "decision");
    assert_eq!(outcome.observations[0].title.as_deref(), Some("Valid"));

    let log = std::fs::read_to_string(log_dir.join("remem.log"))
        .expect("observation parser error log should be readable");
    assert!(log.contains("[ERROR] [observation-parse]"));
    assert!(log.contains("drop_reason=unknown_type raw_type_preview=\"unknown\""));
    assert!(log.contains("drop_reason=missing_type raw_type=\"\""));

    std::fs::remove_dir_all(log_dir).expect("test log directory should be removed");
}

#[test]
fn unknown_type_log_redacts_secrets_and_bounds_preview() {
    let log_dir = std::env::temp_dir().join(format!(
        "remem-observation-type-secret-{}-{}",
        std::process::id(),
        std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)
            .expect("system time should follow Unix epoch")
            .as_nanos()
    ));
    std::fs::create_dir_all(&log_dir).expect("test log directory should be created");

    let github_token = "ghp_abcdefghijklmnopqrstuvwxyz123456";
    let bearer_token = "bearer-secret-value-1234567890";
    let padding = "x".repeat(2_000);
    let xml = format!(
        "<observation><type>{github_token} Bearer {bearer_token} {padding}</type><title>Unsafe</title></observation>"
    );

    let parsed = crate::log::with_log_dir(&log_dir, || parse_observations(&xml));
    assert!(parsed.is_empty());

    let log = std::fs::read_to_string(log_dir.join("remem.log"))
        .expect("observation parser error log should be readable");
    let line = log
        .lines()
        .find(|line| line.contains("drop_reason=unknown_type"))
        .expect("unknown type error should be logged");
    assert!(line.contains("[REDACTED]"));
    assert!(line.contains("raw_type_bytes="));
    assert!(!line.contains(github_token));
    assert!(!line.contains(bearer_token));
    assert!(!line.contains(&"x".repeat(200)));
    assert!(line.len() <= 320, "unknown type log line must stay bounded");

    std::fs::remove_dir_all(log_dir).expect("test log directory should be removed");
}

#[test]
fn parse_observations_preserves_legal_types_and_filters_type_concept() {
    for observation_type in OBSERVATION_TYPES {
        let xml = format!(
            r#"
<observation>
  <type>{observation_type}</type>
  <title>  Planning note  </title>
  <facts>
    <fact>first</fact>
  </facts>
  <concepts>
    <concept>{observation_type}</concept>
    <concept>rust</concept>
  </concepts>
  <files_read>
    <file>src/lib.rs</file>
  </files_read>
  <files_modified>
    <file>src/main.rs</file>
  </files_modified>
</observation>
"#
        );

        let parsed = parse_observations(&xml);
        assert_eq!(parsed.len(), 1);
        assert_eq!(parsed[0].obs_type, *observation_type);
        assert_eq!(parsed[0].title.as_deref(), Some("Planning note"));
        assert_eq!(parsed[0].facts, vec!["first"]);
        assert_eq!(parsed[0].concepts, vec!["rust"]);
        assert_eq!(parsed[0].files_read, vec!["src/lib.rs"]);
        assert_eq!(parsed[0].files_modified, vec!["src/main.rs"]);
    }
}