/**
 * ConnectionStringTest - Unit tests for ConnectionString
 */
using Implexus.Core;
using Implexus.Engine;

public static int main(string[] args) {
    int passed = 0;
    int failed = 0;

    // Test 1: Embedded LMDB short form
    if (test_embedded_lmdb_short()) {
        passed++;
        stdout.puts("PASS: test_embedded_lmdb_short\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_embedded_lmdb_short\n");
    }

    // Test 2: Embedded GDBM short form
    if (test_embedded_gdbm_short()) {
        passed++;
        stdout.puts("PASS: test_embedded_gdbm_short\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_embedded_gdbm_short\n");
    }

    // Test 3: Embedded filesystem short form
    if (test_embedded_filesystem_short()) {
        passed++;
        stdout.puts("PASS: test_embedded_filesystem_short\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_embedded_filesystem_short\n");
    }

    // Test 4: Embedded full form
    if (test_embedded_full_form()) {
        passed++;
        stdout.puts("PASS: test_embedded_full_form\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_embedded_full_form\n");
    }

    // Test 5: Remote default port
    if (test_remote_default_port()) {
        passed++;
        stdout.puts("PASS: test_remote_default_port\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_remote_default_port\n");
    }

    // Test 6: Remote custom port
    if (test_remote_custom_port()) {
        passed++;
        stdout.puts("PASS: test_remote_custom_port\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_remote_custom_port\n");
    }

    // Test 7: Remote with timeout
    if (test_remote_with_timeout()) {
        passed++;
        stdout.puts("PASS: test_remote_with_timeout\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_remote_with_timeout\n");
    }

    // Test 8: Remote IP address
    if (test_remote_ip_address()) {
        passed++;
        stdout.puts("PASS: test_remote_ip_address\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_remote_ip_address\n");
    }

    // Test 9: Try parse success
    if (test_try_parse_success()) {
        passed++;
        stdout.puts("PASS: test_try_parse_success\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_try_parse_success\n");
    }

    // Test 10: Try parse failure
    if (test_try_parse_failure()) {
        passed++;
        stdout.puts("PASS: test_try_parse_failure\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_try_parse_failure\n");
    }

    // Test 11: To string embedded
    if (test_to_string_embedded()) {
        passed++;
        stdout.puts("PASS: test_to_string_embedded\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_to_string_embedded\n");
    }

    // Test 12: To string remote
    if (test_to_string_remote()) {
        passed++;
        stdout.puts("PASS: test_to_string_remote\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_to_string_remote\n");
    }

    // Test 13: To configuration embedded
    if (test_to_configuration_embedded()) {
        passed++;
        stdout.puts("PASS: test_to_configuration_embedded\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_to_configuration_embedded\n");
    }

    // Test 14: To configuration remote
    if (test_to_configuration_remote()) {
        passed++;
        stdout.puts("PASS: test_to_configuration_remote\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_to_configuration_remote\n");
    }

    // Test 15: Invalid format error
    if (test_invalid_format_error()) {
        passed++;
        stdout.puts("PASS: test_invalid_format_error\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_invalid_format_error\n");
    }

    // Test 16: Unknown backend error
    if (test_unknown_backend_error()) {
        passed++;
        stdout.puts("PASS: test_unknown_backend_error\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_unknown_backend_error\n");
    }

    // Test 17: Missing path error
    if (test_missing_path_error()) {
        passed++;
        stdout.puts("PASS: test_missing_path_error\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_missing_path_error\n");
    }

    // Test 18: Describe method
    if (test_describe()) {
        passed++;
        stdout.puts("PASS: test_describe\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_describe\n");
    }

    // Test 19: Backend options
    if (test_backend_options()) {
        passed++;
        stdout.puts("PASS: test_backend_options\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_backend_options\n");
    }

    // Test 20: Relative path
    if (test_relative_path()) {
        passed++;
        stdout.puts("PASS: test_relative_path\n");
    } else {
        failed++;
        stdout.puts("FAIL: test_relative_path\n");
    }

    stdout.printf("\nResults: %d passed, %d failed\n", passed, failed);
    return failed > 0 ? 1 : 0;
}

// Test 1: Embedded LMDB short form
bool test_embedded_lmdb_short() {
    try {
        var cs = new ConnectionString("lmdb:///var/lib/db");
        
        if (cs.is_remote) return false;
        if (cs.backend != "lmdb") return false;
        if (cs.path != "/var/lib/db") return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 2: Embedded GDBM short form
bool test_embedded_gdbm_short() {
    try {
        var cs = new ConnectionString("gdbm:///var/lib/db");
        
        if (cs.is_remote) return false;
        if (cs.backend != "gdbm") return false;
        if (cs.path != "/var/lib/db") return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 3: Embedded filesystem short form
bool test_embedded_filesystem_short() {
    try {
        var cs = new ConnectionString("filesystem:///var/lib/db");
        
        if (cs.is_remote) return false;
        if (cs.backend != "filesystem") return false;
        if (cs.path != "/var/lib/db") return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 4: Embedded full form
bool test_embedded_full_form() {
    try {
        var cs = new ConnectionString("implexus://embedded?backend=lmdb&path=/var/lib/db");
        
        if (cs.is_remote) return false;
        if (cs.backend != "lmdb") return false;
        if (cs.path != "/var/lib/db") return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 5: Remote default port
bool test_remote_default_port() {
    try {
        var cs = new ConnectionString("implexus://server.example.com");
        
        if (!cs.is_remote) return false;
        if (cs.host != "server.example.com") return false;
        if (cs.port != null) return false;  // Should be null, use default
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 6: Remote custom port
bool test_remote_custom_port() {
    try {
        var cs = new ConnectionString("implexus://server.example.com:9999");
        
        if (!cs.is_remote) return false;
        if (cs.host != "server.example.com") return false;
        if (cs.port == null) return false;
        if (cs.port != 9999) return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 7: Remote with timeout
bool test_remote_with_timeout() {
    try {
        var cs = new ConnectionString("implexus://server.example.com:9999?timeout=60");
        
        if (!cs.is_remote) return false;
        if (cs.host != "server.example.com") return false;
        if (cs.port != 9999) return false;
        if (cs.timeout == null) return false;
        if (cs.timeout != 60) return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 8: Remote IP address
bool test_remote_ip_address() {
    try {
        var cs = new ConnectionString("implexus://192.168.1.100:9876");
        
        if (!cs.is_remote) return false;
        if (cs.host != "192.168.1.100") return false;
        if (cs.port != 9876) return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 9: Try parse success
bool test_try_parse_success() {
    var cs = ConnectionString.try_parse("lmdb:///var/lib/db");
    
    if (cs == null) return false;
    
    return true;
}

// Test 10: Try parse failure
bool test_try_parse_failure() {
    var cs = ConnectionString.try_parse("invalid://format");
    
    if (cs != null) return false;
    
    return true;
}

// Test 11: To string embedded
bool test_to_string_embedded() {
    try {
        var cs = new ConnectionString("lmdb:///var/lib/db");
        string str = cs.to_connection_string();
        
        if (str != "lmdb:///var/lib/db") return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 12: To string remote
bool test_to_string_remote() {
    try {
        var cs = new ConnectionString("implexus://server.example.com:9999?timeout=60");
        string str = cs.to_connection_string();
        
        // Should contain host and port
        if (!str.contains("server.example.com")) return false;
        if (!str.contains("9999")) return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 13: To configuration embedded
bool test_to_configuration_embedded() {
    try {
        var cs = new ConnectionString("filesystem:///tmp/test-db");
        var config = cs.to_configuration();
        
        if (config.mode != EngineMode.EMBEDDED) return false;
        if (config.storage_path != "/tmp/test-db") return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 14: To configuration remote
bool test_to_configuration_remote() {
    try {
        var cs = new ConnectionString("implexus://server.example.com:9999?timeout=60");
        var config = cs.to_configuration();
        
        if (config.mode != EngineMode.REMOTE) return false;
        if (config.host != "server.example.com") return false;
        if (config.port != 9999) return false;
        if (config.timeout_ms != 60000) return false;  // 60 seconds in ms
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 15: Invalid format error
bool test_invalid_format_error() {
    try {
        new ConnectionString("not-a-valid-format");
        return false;  // Should have thrown
    } catch (ConnectionStringError e) {
        if (e is ConnectionStringError.INVALID_FORMAT) {
            return true;
        }
        return false;
    } catch (Error e) {
        return false;
    }
}

// Test 16: Unknown backend error
bool test_unknown_backend_error() {
    try {
        new ConnectionString("implexus://embedded?backend=unknown&path=/tmp/db");
        return false;  // Should have thrown
    } catch (ConnectionStringError e) {
        if (e is ConnectionStringError.UNKNOWN_BACKEND) {
            return true;
        }
        return false;
    } catch (Error e) {
        return false;
    }
}

// Test 17: Missing path error
bool test_missing_path_error() {
    try {
        new ConnectionString("implexus://embedded?backend=lmdb");
        return false;  // Should have thrown
    } catch (ConnectionStringError e) {
        if (e is ConnectionStringError.MISSING_PARAMETER) {
            return true;
        }
        return false;
    } catch (Error e) {
        return false;
    }
}

// Test 18: Describe method
bool test_describe() {
    try {
        var cs1 = new ConnectionString("lmdb:///var/lib/db");
        string desc1 = cs1.describe();
        
        if (!desc1.contains("EMBEDDED")) return false;
        if (!desc1.contains("lmdb")) return false;
        
        var cs2 = new ConnectionString("implexus://server.example.com:9999");
        string desc2 = cs2.describe();
        
        if (!desc2.contains("REMOTE")) return false;
        if (!desc2.contains("server.example.com")) return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 19: Backend options
bool test_backend_options() {
    try {
        var cs = new ConnectionString("implexus://embedded?backend=lmdb&path=/var/lib/db&map_size=2048&enable_cache=true&cache_size=5000");
        
        if (cs.map_size == null || cs.map_size != 2048) return false;
        if (cs.enable_cache == null || cs.enable_cache != true) return false;
        if (cs.cache_size == null || cs.cache_size != 5000) return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}

// Test 20: Relative path
bool test_relative_path() {
    try {
        var cs = new ConnectionString("filesystem://./data/db");
        
        if (cs.is_remote) return false;
        if (cs.path != "./data/db") return false;
        
        return true;
    } catch (Error e) {
        return false;
    }
}