module builder

import os
import v.cflag
import v.pref

fn test_msvc_string_flags_uses_cached_thirdparty_obj_path() {
    obj_file := os.join_path(@VEXEROOT, 'thirdparty', 'mbedtls', 'library', 'bignum.o')
    mut builder := msvc_new_builder_for_args(['-cc', 'msvc', '-m32', msvc_hello_world_example()])
    cached_obj := builder.pref.cache_manager.mod_postfix_with_key2cpath('mbedtls', '.o',
        os.real_path(obj_file))
    expected_obj := builder.msvc_thirdparty_obj_path('mbedtls', obj_file, cached_obj)
    sflags := builder.msvc_string_flags([
        cflag.CFlag{
            mod:    'mbedtls'
            value:  obj_file
            cached: cached_obj
        },
    ])
    assert sflags.other_flags == ['"${expected_obj}"']
}

fn test_msvc_string_flags_rewrites_obj_flags_through_cached_path() {
    test_dir := os.join_path(os.vtmp_dir(), 'builder_msvc_obj_flag_test_${os.getpid()}')
    obj_file := os.join_path(test_dir, 'gc.obj')
    os.mkdir_all(test_dir) or { panic(err) }
    os.write_file(obj_file, '') or { panic(err) }
    defer {
        os.rmdir_all(test_dir) or {}
    }
    mut builder := msvc_new_builder_for_args(['-cc', 'msvc', '-m64', msvc_hello_world_example()])
    builder.table.cflags = [
        cflag.CFlag{
            mod:   'builtin'
            value: obj_file
        },
    ]
    flags := builder.get_os_cflags()
    expected_cached := builder.pref.cache_manager.mod_postfix_with_key2cpath('builtin', '.obj',
        os.real_path(obj_file))
    assert flags.len == 1
    assert flags[0].cached == expected_cached
    expected_obj := builder.msvc_thirdparty_obj_path('builtin', obj_file, expected_cached)
    sflags := builder.msvc_string_flags(flags)
    assert sflags.other_flags == ['"${expected_obj}"']
}

fn msvc_new_builder_for_args(args []string) Builder {
    mut full_args := ['']
    full_args << args
    prefs, _ := pref.parse_args_and_show_errors([], full_args, false)
    return new_builder(prefs)
}

fn msvc_hello_world_example() string {
    return os.join_path(@VEXEROOT, 'examples', 'hello_world.v')
}