use anyhow::{anyhow, Context, Result};
use oxc_allocator::Allocator;
use oxc_ast::ast::Program;
use oxc_parser::Parser;
use oxc_span::SourceType;
use std::fs;
use std::path::Path;

pub fn parse_file<'a>(allocator: &'a Allocator, path: &Path) -> Result<Program<'a>> {
    let source_text = fs::read_to_string(path)
        .with_context(|| format!("Failed to read file: {:?}", path))?;
    
    let source_text_ptr = allocator.alloc_str(&source_text);
    let source_type = SourceType::from_path(path).unwrap_or_default();
    let parser_ret = Parser::new(allocator, source_text_ptr, source_type).parse();

    if !parser_ret.errors.is_empty() {
        for error in parser_ret.errors {
            eprintln!("{:?}", error);
        }
        return Err(anyhow!("Failed to parse module: {:?}", path));
    }

    Ok(parser_ret.program)
}