use crate::{
    assert_satisfied,
    expect_compiler_error,
    get_outputs,
    parse_program,
    parse_program_with_input,
    EdwardsTestCompiler,
};
use leo_compiler::errors::{CompilerError, ExpressionError, FunctionError, StatementError};

fn expect_undefined_identifier(program: EdwardsTestCompiler) {
    match expect_compiler_error(program) {
        CompilerError::FunctionError(FunctionError::StatementError(StatementError::ExpressionError(
            ExpressionError::Error(_),
        ))) => {}
        error => panic!("Expected function undefined, got {}", error),
    }
}

#[test]
fn test_empty() {
    let bytes = include_bytes!("empty.leo");
    let program = parse_program(bytes).unwrap();

    assert_satisfied(program);
}

#[test]
fn test_iteration() {
    let bytes = include_bytes!("iteration.leo");
    let program = parse_program(bytes).unwrap();

    assert_satisfied(program);
}

#[test]
fn test_iteration_repeated() {
    let bytes = include_bytes!("iteration_repeated.leo");
    let program = parse_program(bytes).unwrap();

    assert_satisfied(program);
}

#[test]
fn test_multiple_returns() {
    let bytes = include_bytes!("multiple.leo");
    let program = parse_program(bytes).unwrap();

    assert_satisfied(program);
}

#[test]
fn test_multiple_returns_main() {
    let program_bytes = include_bytes!("multiple_main.leo");
    let input_bytes = include_bytes!("input/registers.in");

    let program = parse_program_with_input(program_bytes, input_bytes).unwrap();

    let expected_bytes = include_bytes!("outputs_/registers.out");
    let expected = std::str::from_utf8(expected_bytes).unwrap();
    let actual_bytes = get_outputs(program);
    let actual = std::str::from_utf8(actual_bytes.bytes().as_slice()).unwrap();

    assert_eq!(expected, actual);
}

#[test]
fn test_repeated_function_call() {
    let bytes = include_bytes!("repeated.leo");
    let program = parse_program(bytes).unwrap();

    assert_satisfied(program);
}

#[test]
fn test_return() {
    let bytes = include_bytes!("return.leo");
    let program = parse_program(bytes).unwrap();

    assert_satisfied(program);
}

#[test]
fn test_scope_fail() {
    let bytes = include_bytes!("scope_fail.leo");
    let program = parse_program(bytes).unwrap();

    match expect_compiler_error(program) {
        CompilerError::FunctionError(FunctionError::StatementError(StatementError::ExpressionError(
            ExpressionError::FunctionError(value),
        ))) => match *value {
            FunctionError::StatementError(StatementError::ExpressionError(ExpressionError::Error(_))) => {}
            error => panic!("Expected function undefined, got {}", error),
        },
        error => panic!("Expected function undefined, got {}", error),
    }
}

#[test]
fn test_undefined() {
    let bytes = include_bytes!("undefined.leo");
    let program = parse_program(bytes).unwrap();

    expect_undefined_identifier(program);
}

#[test]
fn test_value_unchanged() {
    let bytes = include_bytes!("value_unchanged.leo");
    let program = parse_program(bytes).unwrap();

    assert_satisfied(program);
}