#!/usr/bin/env bash

set -eu

NC='\033[0m' # No Color

GREEN='\033[0;32m'

YELLOW='\033[0;33m'

BLUE='\033[0;34m'

RED='\033[0;31m'

npm i -g markdown-link-check@3.13.7

echo "::group::Debug information"

npm -g list --depth=1

echo "::endgroup::"

declare -a FIND_CALL

declare -a COMMAND_DIRS COMMAND_FILES

declare -a COMMAND_FILES

USE_QUIET_MODE="$1"

USE_VERBOSE_MODE="$2"

CONFIG_FILE="$3"

FOLDER_PATH="$4"

MAX_DEPTH="$5"

CHECK_MODIFIED_FILES="$6"

BASE_BRANCH="$7"

if [ -z "$8" ]; then

FILE_EXTENSION=".md"

else

FILE_EXTENSION="$8"

fi

FILE_PATH="$9"

if [ -f "$CONFIG_FILE" ]; then

echo -e "${BLUE}Using markdown-link-check configuration file: ${YELLOW}$CONFIG_FILE${NC}"

else

echo -e "${BLUE}Cannot find ${YELLOW}$CONFIG_FILE${NC}"

echo -e "${YELLOW}NOTE: See https://github.com/tcort/markdown-link-check#config-file-format to know more about"

echo -e "customizing markdown-link-check by using a configuration file.${NC}"

fi

FOLDERS=""

FILES=""

echo -e "${BLUE}USE_QUIET_MODE: $1${NC}"

echo -e "${BLUE}USE_VERBOSE_MODE: $2${NC}"

echo -e "${BLUE}FOLDER_PATH: $4${NC}"

echo -e "${BLUE}MAX_DEPTH: $5${NC}"

echo -e "${BLUE}CHECK_MODIFIED_FILES: $6${NC}"

echo -e "${BLUE}FILE_EXTENSION: $8${NC}"

echo -e "${BLUE}FILE_PATH: $9${NC}"

handle_dirs () {

IFS=', ' read -r -a DIRLIST <<< "$FOLDER_PATH"

for index in "${!DIRLIST[@]}"

do

if [ ! -d "${DIRLIST[index]}" ]; then

echo -e "${RED}ERROR [✖] Can't find the directory: ${YELLOW}${DIRLIST[index]}${NC}"

exit 2

fi

COMMAND_DIRS+=("${DIRLIST[index]}")

done

FOLDERS="${COMMAND_DIRS[*]}"

}

handle_files () {

IFS=', ' read -r -a FILELIST <<< "$FILE_PATH"

for index in "${!FILELIST[@]}"

do

if [ ! -f "${FILELIST[index]}" ]; then

echo -e "${RED}ERROR [✖] Can't find the file: ${YELLOW}${FILELIST[index]}${NC}"

exit 2

fi

if [ "$index" == 0 ]; then

COMMAND_FILES+=("-wholename ${FILELIST[index]}")

else

COMMAND_FILES+=("-o -wholename ${FILELIST[index]}")

fi

done

FILES="${COMMAND_FILES[*]}"

}

check_errors () {

if [ -e error.txt ] ; then

if grep -q "ERROR:" error.txt; then

echo -e "${YELLOW}=========================> MARKDOWN LINK CHECK <=========================${NC}"

cat error.txt

printf "\n"

echo -e "${YELLOW}=========================================================================${NC}"

echo "MLC_OUTPUT<<EOF" >> "$GITHUB_ENV"

cat error.txt >> "$GITHUB_ENV"

echo "EOF" >> "$GITHUB_ENV"

exit 113

else

echo -e "${YELLOW}=========================> MARKDOWN LINK CHECK <=========================${NC}"

printf "\n"

echo -e "${GREEN}[✔] All links are good!${NC}"

printf "\n"

echo -e "${YELLOW}=========================================================================${NC}"

echo "MLC_OUTPUT=[✔] All links are good!" >> "$GITHUB_OUTPUT"

fi

else

echo -e "${GREEN}All good!${NC}"

echo "MLC_OUTPUT=All good!" >> "$GITHUB_OUTPUT"

fi

}

add_options () {

if [ -f "$CONFIG_FILE" ]; then

FIND_CALL+=('--config' "${CONFIG_FILE}")

fi

if [ "$USE_QUIET_MODE" = "yes" ]; then

FIND_CALL+=('-q')

fi

if [ "$USE_VERBOSE_MODE" = "yes" ]; then

FIND_CALL+=('-v')

fi

}

check_additional_files () {

if [ -n "$FILES" ]; then

if [ "$MAX_DEPTH" -ne -1 ]; then

FIND_CALL=('find' ${FOLDERS} '-type' 'f' '(' ${FILES} ')' '-not' '-path' './node_modules/*' '-maxdepth' "${MAX_DEPTH}" '-exec' 'markdown-link-check' '{}')

else

FIND_CALL=('find' ${FOLDERS} '-type' 'f' '(' ${FILES} ')' '-not' '-path' './node_modules/*' '-exec' 'markdown-link-check' '{}')

fi

add_options

FIND_CALL+=(';')

set -x

"${FIND_CALL[@]}" &>> error.txt

set +x

fi

}

if [ -z "$8" ]; then

FOLDERS="."

else

handle_dirs

fi

if [ -n "$9" ]; then

handle_files

fi

if [ "$CHECK_MODIFIED_FILES" = "yes" ]; then

echo -e "${BLUE}BASE_BRANCH: $7${NC}"

git config --global --add safe.directory '*'

git fetch origin "${BASE_BRANCH}" --depth=1 > /dev/null

MASTER_HASH=$(git rev-parse origin/"${BASE_BRANCH}")

if [ -z "$FOLDERS" ]; then

FOLDERS="."

fi

FIND_CALL=('markdown-link-check')

add_options

FOLDER_ARRAY=(${FOLDER_PATH//,/ })

mapfile -t FILE_ARRAY < <( git diff --name-only --diff-filter=AM "$MASTER_HASH" -- "${FOLDER_ARRAY[@]}")

for i in "${FILE_ARRAY[@]}"

do

if [ "${i##*.}" == "${FILE_EXTENSION#.}" ]; then

FIND_CALL+=("${i}")

COMMAND="${FIND_CALL[*]}"

$COMMAND &>> error.txt || true

unset 'FIND_CALL[${#FIND_CALL[@]}-1]'

fi

done

check_additional_files

check_errors

else

if [ "$5" -ne -1 ]; then

FIND_CALL=('find' ${FOLDERS} '-name' '*'"${FILE_EXTENSION}" '-not' '-path' './node_modules/*' '-maxdepth' "${MAX_DEPTH}" '-exec' 'markdown-link-check' '{}')

else

FIND_CALL=('find' ${FOLDERS} '-name' '*'"${FILE_EXTENSION}" '-not' '-path' './node_modules/*' '-exec' 'markdown-link-check' '{}')

fi

add_options

FIND_CALL+=(';')

set -x

"${FIND_CALL[@]}" &>> error.txt

set +x

check_additional_files

check_errors

fi