use oxc_ast::ast::*;
use anyhow::{Result, anyhow};

pub fn get_callee_name(expr: &Expression) -> Result<String> {
    get_member_expr_name(expr)
}

pub fn get_member_expr_name(expr: &Expression) -> Result<String> {
    match expr {
        Expression::Identifier(ident) => {
            let name = ident.name.to_string();
            // Remove prefix 'P' if it's followed by an uppercase letter (e.g., PGfx -> Gfx)
            if name.len() > 1 && name.starts_with('P') && name.chars().nth(1).unwrap().is_uppercase() {
                Ok(name[1..].to_string())
            } else {
                Ok(name)
            }
        }
        Expression::StaticMemberExpression(member) => {
            let obj = get_member_expr_name(&member.object)?;
            let prop = member.property.name.to_string();
            Ok(format!("{}.{}", obj, prop))
        }
        _ => Err(anyhow!("Unsupported expression")),
    }
}