use anyhow::Result;
use searchi_core::SearchIndex;
use searchi_service::{FfmpegTools, HybridSearch, MediaLimits, SearchOptions, SemanticOrigin};
use std::{fs, path::PathBuf};

#[test]
#[ignore = "Requires verified Google CPU worker/model and FFmpeg fixtures"]
fn explicit_media_requests_do_not_fall_back_to_unrelated_channels() -> Result<()> {
    assert_eq!(std::env::var("SEARCHI_FORCE_CPU")?, "1");
    let model = std::env::var_os("SEARCHI_GEMMA_MODEL_DIR").expect("Set model directory");
    let worker = std::env::var_os("SEARCHI_GEMMA_WORKER").expect("Set worker path");
    let tools = FfmpegTools {
        ffmpeg: std::env::var_os("SEARCHI_TEST_FFMPEG")
            .expect("Set FFmpeg")
            .into(),
        ffprobe: std::env::var_os("SEARCHI_TEST_FFPROBE")
            .expect("Set FFprobe")
            .into(),
    };
    let fixture =
        PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../fixtures/media/assets/image01.jpg");
    let temp = tempfile::tempdir()?;
    let corpus = temp.path().join("corpus");
    fs::create_dir(&corpus)?;
    fs::copy(fixture, corpus.join("cat.jpg"))?;
    let database = temp.path().join("index.db");
    let mut lexical = SearchIndex::open(&database)?;
    lexical.index_folder(&corpus)?;
    let mut indexer = HybridSearch::open(&database, &model, &worker, 1)?;
    let report = indexer.index_embeddings_with_media(&tools, &MediaLimits::default())?;
    assert!(report.failures.is_empty(), "{report:?}");
    assert_eq!(report.media_files, 1);
    drop(indexer);
    let mut search = HybridSearch::open_query(&database, &model, &worker, 1)?;
    let options = SearchOptions::default();
    // The unfiltered real model does return the nearest photo for these requests.
    // The correction rejects its wrong channel, not its similarity score.
    for query in [
        "music with violin",
        "audio of thunder",
        "someone mentions a contract",
        "video of a boat",
        "Musik mit Klavier",
        "Film mit einem Wasserfall",
    ] {
        assert!(
            !search
                .search_semantic_with_origin(query, 10, &options, SemanticOrigin::All)?
                .is_empty(),
            "{query}"
        );
        assert!(
            search.search_semantic(query, 10, &options)?.is_empty(),
            "{query}"
        );
    }
    for query in ["photo of a cat indoors", "Bild einer Katze", "cat indoors"] {
        let hits = search.search_semantic(query, 10, &options)?;
        assert_eq!(hits[0].filename, "cat.jpg", "{query}");
        assert_eq!(hits[0].match_kind, "semantic_image", "{query}");
    }
    assert_eq!(
        search.search("cat.jpg", 1, &options)?[0].match_kind,
        "exact_filename"
    );
    Ok(())
}

#[test]
#[ignore = "Requires verified Google CPU worker/model and FFmpeg fixtures"]
fn explicit_code_intent_preserves_code_among_real_audio_candidates() -> Result<()> {
    assert_eq!(std::env::var("SEARCHI_FORCE_CPU")?, "1");
    let model = std::env::var_os("SEARCHI_GEMMA_MODEL_DIR").expect("Set model directory");
    let worker = std::env::var_os("SEARCHI_GEMMA_WORKER").expect("Set worker path");
    let tools = FfmpegTools {
        ffmpeg: std::env::var_os("SEARCHI_TEST_FFMPEG")
            .expect("Set FFmpeg")
            .into(),
        ffprobe: std::env::var_os("SEARCHI_TEST_FFPROBE")
            .expect("Set FFprobe")
            .into(),
    };
    let fixture = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../fixtures");
    let temp = tempfile::tempdir()?;
    let corpus = temp.path().join("corpus");
    fs::create_dir(&corpus)?;
    // Preserve the unchanged diagnostic implementation and actual licensed sound.
    fs::copy(
        fixture.join("mixed/sources/crates__searchi-service__src__routing.rs"),
        corpus.join("routing.rs"),
    )?;
    fs::copy(
        fixture.join("media/assets/sound02.mp3"),
        corpus.join("sound.mp3"),
    )?;
    let database = temp.path().join("index.db");
    let mut lexical = SearchIndex::open(&database)?;
    lexical.index_folder(&corpus)?;
    let mut indexer = HybridSearch::open(&database, &model, &worker, 1)?;
    let report = indexer.index_embeddings_with_media(&tools, &MediaLimits::default())?;
    assert!(report.failures.is_empty(), "{report:?}");
    assert_eq!(report.media_files, 1);
    drop(indexer);
    let mut search = HybridSearch::open_query(&database, &model, &worker, 1)?;
    let query = "code that chooses audio search when a query mentions speech";
    let options = SearchOptions::default();
    let audio = search.search_semantic_with_origin(query, 20, &options, SemanticOrigin::Audio)?;
    assert!(
        !audio.is_empty(),
        "The old exclusive audio lane must qualify"
    );
    assert!(audio.iter().all(|hit| hit.filename == "sound.mp3"));
    let hits = search.search_semantic(query, 20, &options)?;
    assert!(
        hits.iter().any(|hit| hit.filename == "routing.rs"),
        "Explicit code intent lost its semantic implementation: {hits:?}"
    );
    Ok(())
}