use tree_sitter_stack_graphs::loader::LanguageConfiguration;
use tree_sitter_stack_graphs::loader::LoadError;
use tree_sitter_stack_graphs::CancellationFlag;

/// The stacks graphs tsg path for this language.
pub const STACK_GRAPHS_TSG_PATH: &str = "src/stack-graphs.tsg";
/// The stack graphs tsg source for this language.
pub const STACK_GRAPHS_TSG_SOURCE: &str = include_str!("../src/stack-graphs.tsg");

/// The stack graphs builtins configuration for this language.
pub const STACK_GRAPHS_BUILTINS_CONFIG: &str = include_str!("../src/builtins.cfg");
/// The stack graphs builtins path for this language.
pub const STACK_GRAPHS_BUILTINS_PATH: &str = "src/builtins.java";
/// The stack graphs builtins source for this language.
pub const STACK_GRAPHS_BUILTINS_SOURCE: &str = include_str!("../src/builtins.java");

/// The name of the project name global variable
pub const PROJECT_NAME_VAR: &str = "PROJECT_NAME";

pub fn language_configuration(cancellation_flag: &dyn CancellationFlag) -> LanguageConfiguration {
    try_language_configuration(cancellation_flag).unwrap_or_else(|err| panic!("{}", err))
}

pub fn try_language_configuration(
    cancellation_flag: &dyn CancellationFlag,
) -> Result<LanguageConfiguration, LoadError> {
    LanguageConfiguration::from_sources(
        tree_sitter_java::language(),
        Some(String::from("source.java")),
        None,
        vec![String::from("java")],
        STACK_GRAPHS_TSG_PATH.into(),
        STACK_GRAPHS_TSG_SOURCE,
        Some((
            STACK_GRAPHS_BUILTINS_PATH.into(),
            STACK_GRAPHS_BUILTINS_SOURCE,
        )),
        Some(STACK_GRAPHS_BUILTINS_CONFIG),
        cancellation_flag,
    )
}