#!/usr/bin/env bash

set -e
set -u

exit_code=0
image=w0rp/ale
docker_flags=(--rm -v "$PWD:/testplugin" -v "$PWD/test:/home" -w /testplugin "$image")

echo '========================================'
echo 'Running custom linting rules'
echo '========================================'
echo 'Custom warnings/errors follow:'
echo

set -o pipefail
docker run -a stdout "${docker_flags[@]}" test/script/custom-linting-rules . || exit_code=$?
set +o pipefail
echo

echo '========================================'
echo 'Checking for duplicate tags'
echo '========================================'
echo 'Duplicate tags follow:'
echo

grep --exclude=tags -roh '\*.*\*$' doc | sort | uniq -d || exit_code=$?

echo '========================================'
echo 'Checking for invalid tag references'
echo '========================================'
echo 'Invalid tag references tags follow:'
echo

tag_regex='[gb]\?:\?\(ale\|ALE\)[a-zA-Z_\-]\+'

# Grep for tags and references, and complain if we find a reference without
# a tag for the reference. Only our tags will be included.
diff -u \
    <(grep --exclude=tags -roh "\*$tag_regex\*" doc | sort -u | sed 's/*//g') \
    <(grep --exclude=tags -roh "|$tag_regex|" doc | sort -u | sed 's/|//g') \
    | grep '^+[^+]' && exit_code=1

echo '========================================'
echo 'diff README.md and doc/ale.txt tables'
echo '========================================'
echo 'Differences follow:'
echo

test/script/check-supported-tools-tables || exit_code=$?

echo '========================================'
echo 'Look for badly aligned doc tags'
echo '========================================'
echo 'Badly aligned tags follow:'
echo

# Documentation tags need to be aligned to the right margin, so look for
# tags which aren't at the right margin.
grep ' \*[^*]\+\*$' doc/ -r \
    | awk '{ sep = index($0, ":"); if (length(substr($0, sep + 1 )) < 79) { print } }' \
    | grep . && exit_code=1

echo '========================================'
echo 'Look for table of contents issues'
echo '========================================'
echo

test/script/check-toc || exit_code=$?

exit $exit_code