// file: crates/ksp-app-backfill-desk/tests/desktop_security.rs
// version: 8

//! Security and dependency-boundary checks for the Backfill Desk scaffold.

#![forbid(unsafe_code)]
#![deny(unreachable_pub)]
#![warn(missing_docs)]

fn app_root() -> std::path::PathBuf {
    return std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
}

fn collect_files(directory: &std::path::Path, extension: &str, files: &mut std::vec::Vec<std::path::PathBuf>) {
    let entries = std::fs::read_dir(directory);
    let entries = match entries {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(_) => return,
    };
    for entry in entries {
        let entry = match entry {
            std::result::Result::Ok(value) => value,
            std::result::Result::Err(_) => continue,
        };
        let path = entry.path();
        if path.is_dir() {
            collect_files(path.as_path(), extension, files);
            continue;
        }
        if path.extension().and_then(std::ffi::OsStr::to_str) == std::option::Option::Some(extension) {
            files.push(path);
        }
    }
}

fn read_text(path: &std::path::Path) -> String {
    let source = std::fs::read_to_string(path);
    assert!(source.is_ok(), "unable to read {}", path.display());
    return match source {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(_) => String::new(),
    };
}

#[test]
fn capability_surface_remains_core_plus_tracing_while_backfill_runtime_stays_backend_only() {
    let root = app_root();
    let capability = read_text(root.join("capabilities/default.json").as_path());
    assert!(capability.contains("\"core:default\""));
    assert!(capability.contains("\"tracing:default\""));
    for forbidden in ["dialog:", "fs:", "http:", "shell:"] {
        assert!(!capability.contains(forbidden));
    }
    let manifest = read_text(root.join("Cargo.toml").as_path());
    assert!(manifest.contains("tauri-plugin-tracing.workspace = true"));
    assert!(manifest.contains("ksp-job-api = { path = \"../ksp-job-api\" }"));
    assert!(manifest.contains("ksp-job-backfill-lib = { path = \"../ksp-job-backfill-lib\" }"));
    assert!(manifest.contains("ksp-onchain-transport-lib = { path = \"../ksp-onchain-transport-lib\" }"));
    assert!(manifest.contains("ksp-store-lib = { path = \"../ksp-store-lib\" }"));
    for forbidden in ["ksp-store-api", "ksp-store-postgres-lib", "reqwest", "tokio-postgres", "tonic", "yellowstone-grpc"] {
        assert!(!manifest.contains(forbidden), "current Backfill Desk opens a forbidden direct dependency: {forbidden}");
    }
}

#[test]
fn pre_002_frontend_has_no_network_persistence_or_native_dialog_surface() {
    let root = app_root();
    let mut typescript = std::vec::Vec::new();
    collect_files(root.join("frontend/ts").as_path(), "ts", &mut typescript);
    assert!(!typescript.is_empty());
    for path in typescript {
        let source = read_text(path.as_path());
        for forbidden in ["fetch(", "XMLHttpRequest", "localStorage", "sessionStorage", "window.alert(", "window.confirm(", "window.prompt("] {
            assert!(!source.contains(forbidden), "{} contains forbidden scaffold surface {forbidden}", path.display());
        }
    }
}

#[test]
fn pre_002_tauri_commands_remain_centralized() {
    let root = app_root();
    let mut rust_files = std::vec::Vec::new();
    collect_files(root.join("src").as_path(), "rs", &mut rust_files);
    let mut command_count = 0usize;
    for path in rust_files {
        let source = read_text(path.as_path());
        let count = source.matches("#[tauri::command]").count();
        if path.file_name().and_then(std::ffi::OsStr::to_str) == std::option::Option::Some("tauri.rs") {
            command_count += count;
        } else {
            assert_eq!(count, 0, "{} declares a Tauri command outside tauri.rs", path.display());
        }
    }
    assert_eq!(command_count, 6);
}

#[test]
fn pre_002_frontend_instrumentation_avoids_business_or_secret_payloads() {
    let root = app_root();
    let main = read_text(root.join("frontend/ts/main.ts").as_path());
    for required in [
        "Backfill Desk frontend control clicked",
        "Backfill Desk navigation tab clicked",
        "Backfill Desk runtime status refresh button clicked",
        "Frontend IPC command requested",
    ] {
        if required == "Frontend IPC command requested" {
            let invoke = read_text(root.join("frontend/ts/invoke.ts").as_path());
            assert!(invoke.contains(required));
        } else {
            assert!(main.contains(required));
        }
    }
    for forbidden in [
        "JSON.stringify(status)",
        "apiKey",
        "authorization",
        "database_url",
        "campaign validation requested\", {\n        address",
        "campaign validation requested\", {\n        anchorSignature",
        "campaign validation requested\", {\n        explicitSignatures",
        "campaign validation requested\", {\n        minContextSlot",
    ] {
        assert!(!main.contains(forbidden), "frontend tracing includes forbidden request payload marker {forbidden}");
    }
}

#[test]
fn pre_005_store_runtime_remains_backend_neutral_after_job_mapping_opens() {
    let root = app_root();
    let bootstrap = read_text(root.join("src/bootstrap.rs").as_path());
    assert!(bootstrap.contains("LogFilterLevel::Trace"));
    assert!(!bootstrap.contains("HttpTransportPool"));
    assert!(!bootstrap.contains("Store::open"));
    let store = read_text(root.join("src/store_runtime.rs").as_path());
    assert!(store.contains("ksp_store_lib::Store::open"));
    assert!(store.contains("store.health().await"));
    assert!(store.contains("store.close().await"));
    for forbidden in ["ksp_job_", "BackfillRequest", "connection_uri", "postgres", "database_url", "provider()", "endpoint_url"] {
        assert!(!store.contains(forbidden), "Store runtime leaks or absorbs another responsibility: {forbidden}");
    }
    let dto = read_text(root.join("src/dto_common.rs").as_path());
    assert!(dto.contains("BackfillDeskOptionsDto"));
    for forbidden in ["endpoint_url", "pub(crate) url", "pub(crate) credential", "pub(crate) token", "connection_uri"] {
        assert!(!dto.contains(forbidden), "readiness options DTO source contains forbidden field marker {forbidden}");
    }
}

#[test]
fn pre_006_frontend_receives_only_safe_http_route_metadata_and_no_endpoint_material() {
    let root = app_root();
    let dto = read_text(root.join("src/dto_common.rs").as_path());
    assert!(dto.contains("BackfillHttpRouteOptionDto"));
    assert!(dto.contains("pub(crate) providers"));
    assert!(dto.contains("pub(crate) role"));
    for forbidden in ["endpoint_url", "pub(crate) url", "pub(crate) credential", "pub(crate) api_key", "pub(crate) authorization"] {
        assert!(!dto.contains(forbidden), "route DTO leaks forbidden endpoint material marker {forbidden}");
    }
    let frontend = read_text(root.join("frontend/ts/main.ts").as_path());
    for forbidden in ["http://", "https://", "apiKey", "authorization", "token"] {
        assert!(!frontend.contains(forbidden), "frontend embeds forbidden provider material marker {forbidden}");
    }
}

#[test]
fn pre_007_request_mapping_keeps_network_endpoint_and_payload_secrets_backend_owned() {
    let root = app_root();
    let dto = read_text(root.join("src/dto_backfill.rs").as_path());
    let request_start = dto.find("pub(crate) struct BackfillStartRequestDto");
    let preview_start = dto.find("pub(crate) struct BackfillRequestPreviewDto");
    assert!(request_start.is_some());
    assert!(preview_start.is_some());
    let request_source = match (request_start, preview_start) {
        (std::option::Option::Some(start), std::option::Option::Some(end)) if start < end => &dto[start..end],
        _ => "",
    };
    for forbidden in [
        "pub(crate) network:",
        "pub(crate) provider",
        "pub(crate) endpoint",
        "pub(crate) url",
        "pub(crate) job_id",
        "pub(crate) credential",
        "pub(crate) token",
    ] {
        assert!(!request_source.contains(forbidden), "frontend request DTO owns forbidden field marker {forbidden}");
    }
    let mapping = read_text(root.join("src/backfill_request.rs").as_path());
    assert!(mapping.contains("options.store_network.as_deref()"));
    assert!(mapping.contains("options.http_routes.iter().any"));
    assert!(mapping.contains("BackfillRequest::new"));
    assert!(!mapping.contains("HttpTransportPool::new"));
    assert!(!mapping.contains("Store::open"));
    let state = read_text(root.join("src/app_state.rs").as_path());
    assert!(state.contains("backfill-desk-validation"));
    assert!(state.contains("validated Backfill Desk campaign request without starting a Job"));
    for forbidden in [
        "preview.address",
        "preview.anchor_signature",
        "preview.explicit_signatures",
        "request.address.as_str()",
        "request.anchor_signature.as_str()",
    ] {
        assert!(!state.contains(forbidden), "request validation logging includes forbidden payload marker {forbidden}");
    }
}

#[test]
fn pre_008_start_surface_keeps_payload_and_physical_resources_backend_owned() {
    let root = app_root();
    let dto = read_text(root.join("src/dto_backfill.rs").as_path());
    let response_start = dto.find("pub(crate) struct BackfillStartResponseDto");
    let preview_start = dto.find("pub(crate) struct BackfillRequestPreviewDto");
    assert!(response_start.is_some());
    assert!(preview_start.is_some());
    let response_source = match (response_start, preview_start) {
        (std::option::Option::Some(start), std::option::Option::Some(end)) if start < end => &dto[start..end],
        _ => "",
    };
    assert!(response_source.contains("pub(crate) job_id: String"));
    assert!(response_source.contains("pub(crate) state: String"));
    for forbidden in ["address", "signature", "provider", "endpoint", "url", "credential", "token", "network"] {
        assert!(!response_source.contains(forbidden), "Start acknowledgement leaks forbidden marker {forbidden}");
    }
    let run = read_text(root.join("src/backfill_run.rs").as_path());
    assert!(run.contains("BackfillJobHandle"));
    assert!(run.contains("ERROR_CODE_BACKFILL_RUN_ACTIVE"));
    assert!(!run.contains("reqwest"));
    assert!(!run.contains("tokio_postgres"));
    let frontend = read_text(root.join("frontend/ts/main.ts").as_path());
    let start_marker = frontend.find("Backfill Desk campaign Start requested");
    assert!(start_marker.is_some());
    let start_source = match start_marker {
        std::option::Option::Some(index) => &frontend[index..std::cmp::min(index + 420, frontend.len())],
        std::option::Option::None => "",
    };
    for forbidden in ["address:", "anchorSignature:", "explicitSignatures:", "minContextSlot:"] {
        assert!(!start_source.contains(forbidden), "Start tracing includes forbidden request payload marker {forbidden}");
    }
}