// file: crates/ksp-config-lib/tests/public_api.rs
// version: 5

//! Integration tests for the public `ksp-config-lib` bootstrap, file registry, validated JSON document and profile-resolution contracts.

#[test]
fn bootstrap_contract_is_available_from_crate_root() {
    let result = ksp_config_lib::ConfigBootstrapOptions::defaults();
    assert!(result.is_ok(), "default bootstrap options should be available: {result:?}");
    if let std::result::Result::Ok(options) = result {
        assert_eq!(options.cfg_path(), std::path::Path::new(ksp_config_lib::DEFAULT_CFG_PATH));
        assert_eq!(options.schema_path(), std::path::Path::new(ksp_config_lib::DEFAULT_SCHEMA_PATH));
        assert_eq!(ksp_config_lib::ARG_CFG_PATH, "--cfgpath");
        assert_eq!(ksp_config_lib::ARG_SCHEMA_PATH, "--schemapath");
    }
}

#[test]
fn programmatic_bootstrap_paths_are_independent() {
    let result = ksp_config_lib::ConfigBootstrapOptions::from_paths("runtime-config", "runtime-schemas");
    assert!(result.is_ok(), "programmatic bootstrap paths should be valid: {result:?}");
    if let std::result::Result::Ok(options) = result {
        assert_eq!(options.cfg_path(), std::path::Path::new("runtime-config"));
        assert_eq!(options.schema_path(), std::path::Path::new("runtime-schemas"));
    }
}

#[test]
fn cli_bootstrap_parser_is_available_from_crate_root() {
    let args = [
        std::ffi::OsString::from("consumer"),
        std::ffi::OsString::from("--cfgpath=consumer-config"),
        std::ffi::OsString::from("--schemapath"),
        std::ffi::OsString::from("consumer-schemas"),
    ];
    let result = ksp_config_lib::ConfigBootstrapOptions::from_args(&args);
    assert!(result.is_ok(), "public bootstrap parser should accept KSP path arguments: {result:?}");
    if let std::result::Result::Ok(options) = result {
        assert_eq!(options.cfg_path(), std::path::Path::new("consumer-config"));
        assert_eq!(options.schema_path(), std::path::Path::new("consumer-schemas"));
    }
}

#[test]
fn logical_file_registry_is_available_from_crate_root() {
    let args = [
        std::ffi::OsString::from("consumer"),
        std::ffi::OsString::from("--filemap=cfg.std.logging=consumer.logging.json"),
        std::ffi::OsString::from("--filemap=schema.std.logging=consumer.logging.schema.json"),
    ];
    let registry = ksp_config_lib::ConfigFileRegistry::from_args(&args);
    let bootstrap = ksp_config_lib::ConfigBootstrapOptions::from_paths("consumer-config", "consumer-schemas");
    let logging_id = ksp_config_lib::ConfigFileId::new(ksp_config_lib::FILE_ID_STD_LOGGING);
    let schema_id = ksp_config_lib::ConfigFileId::new(ksp_config_lib::FILE_ID_SCHEMA_STD_LOGGING);
    assert!(registry.is_ok(), "public registry should accept known filemap overrides: {registry:?}");
    assert!(bootstrap.is_ok(), "bootstrap paths should remain available: {bootstrap:?}");
    assert!(logging_id.is_ok(), "public logging file_id should be valid: {logging_id:?}");
    assert!(schema_id.is_ok(), "public schema file_id should be valid: {schema_id:?}");
    if let (std::result::Result::Ok(registry), std::result::Result::Ok(bootstrap), std::result::Result::Ok(logging_id), std::result::Result::Ok(schema_id)) =
        (registry, bootstrap, logging_id, schema_id)
    {
        let logging = registry.resolve_path(&bootstrap, &logging_id);
        let schema = registry.resolve_path(&bootstrap, &schema_id);
        assert!(logging.is_ok(), "public logging path should resolve: {logging:?}");
        assert!(schema.is_ok(), "public schema path should resolve: {schema:?}");
        if let std::result::Result::Ok(logging) = logging {
            assert_eq!(logging, std::path::PathBuf::from("consumer-config/consumer.logging.json"));
        }
        if let std::result::Result::Ok(schema) = schema {
            assert_eq!(schema, std::path::PathBuf::from("consumer-schemas/consumer.logging.schema.json"));
        }
        assert_eq!(ksp_config_lib::ARG_FILE_MAP, "--filemap");
    }
}

#[test]
fn validated_json_document_engine_is_available_from_crate_root() {
    let workspace = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../..");
    let bootstrap = ksp_config_lib::ConfigBootstrapOptions::from_paths(workspace.join("config"), workspace.join("config/schemas"));
    let registry = ksp_config_lib::ConfigFileRegistry::defaults();
    let file_id = ksp_config_lib::ConfigFileId::new(ksp_config_lib::FILE_ID_STD_LOGGING);
    assert!(bootstrap.is_ok(), "public bootstrap should accept committed Config roots: {bootstrap:?}");
    assert!(registry.is_ok(), "public registry should remain constructible: {registry:?}");
    assert!(file_id.is_ok(), "public Logging file_id should remain constructible: {file_id:?}");
    if let (std::result::Result::Ok(bootstrap), std::result::Result::Ok(registry), std::result::Result::Ok(file_id)) = (bootstrap, registry, file_id) {
        let engine = ksp_config_lib::ConfigDocumentEngine::new(bootstrap, registry);
        let document = engine.load_validated_document(&file_id);
        assert!(document.is_ok(), "public document engine should validate committed Logging configuration: {document:?}");
        if let std::result::Result::Ok(document) = document {
            assert_eq!(document.file_id(), &file_id);
            assert_eq!(document.value().get("format_version"), std::option::Option::Some(&serde_json::Value::from(1)));
        }
    }
}

#[test]
fn resolved_profile_contract_is_available_from_crate_root() {
    let workspace = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../..");
    let bootstrap = ksp_config_lib::ConfigBootstrapOptions::from_paths(workspace.join("config"), workspace.join("config/schemas"));
    let registry = ksp_config_lib::ConfigFileRegistry::defaults();
    let file_id = ksp_config_lib::ConfigFileId::new(ksp_config_lib::FILE_ID_STD_LOGGING);
    assert!(bootstrap.is_ok(), "public bootstrap should accept committed Config roots: {bootstrap:?}");
    assert!(registry.is_ok(), "public registry should remain constructible: {registry:?}");
    assert!(file_id.is_ok(), "public Logging file_id should remain constructible: {file_id:?}");
    if let (std::result::Result::Ok(bootstrap), std::result::Result::Ok(registry), std::result::Result::Ok(file_id)) = (bootstrap, registry, file_id) {
        let engine = ksp_config_lib::ConfigDocumentEngine::new(bootstrap, registry);
        let resolved = engine.load_resolved_profile(&file_id, std::option::Option::None);
        assert!(resolved.is_ok(), "public profile resolver should resolve committed default profile: {resolved:?}");
        if let std::result::Result::Ok(resolved) = resolved {
            assert_eq!(resolved.profile_id(), "local_dev");
            assert_eq!(resolved.selection_source(), ksp_config_lib::ConfigProfileSelectionSource::DefaultProfile);
            assert_eq!(resolved.origin("logs_directory"), std::option::Option::Some(ksp_config_lib::ConfigValueOrigin::Global));
            assert_eq!(resolved.origin("default_filter"), std::option::Option::Some(ksp_config_lib::ConfigValueOrigin::Profile));
            assert!(!resolved.effective().contains_key("default_profile"));
            assert!(!resolved.effective().contains_key("profiles"));
        }
    }
}