#!/bin/bash
#
#  Copyright (c) 2023, The OpenThread Authors.
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#  3. Neither the name of the copyright holder nor the
#     names of its contributors may be used to endorse or promote products
#     derived from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.
#

#
# The script to correct or check the code spell of OpenThread.
#
# Correct wrong spelling:
#     script/code-spell
#
# Check only:
#
#     script/code-spell check

set -euxo pipefail

OT_SPELL_CHECK_IGNORE_CONFIG_FILE='.code-spell-ignore'
readonly OT_SPELL_CHECK_IGNORE_CONFIG_FILE

OT_SPELL_CHECK_DIRS=(
    'doc'
    'etc'
    'examples'
    'include'
    'script'
    'src'
    'tests'
    'tools'
)
readonly OT_SPELL_CHECK_DIRS

main()
{
    if [ $# == 0 ]; then
        codespell "${OT_SPELL_CHECK_DIRS[@]}" -w --ignore-words="${OT_SPELL_CHECK_IGNORE_CONFIG_FILE}"
    elif [ "$1" == 'check' ]; then
        codespell "${OT_SPELL_CHECK_DIRS[@]}" --ignore-words="${OT_SPELL_CHECK_IGNORE_CONFIG_FILE}"
    else
        echo >&2 "Unsupported option: $1. Supported: check"
        # 128 for Invalid arguments
        exit 128
    fi
}

main "$@"