#!/usr/bin/env bash
EXPECTED_PATH=expected/all_output.expected
ACTUAL_PATH=all_output.actual
if [ ! -d expected  ]; then
	echo "Error: must run this script from tests/plugin_test folder" 1>&2
	exit 1
fi
echo "Generating test cases"
for path in $(echo expected/*.php*.expected | LC_ALL=C sort); do cat $path; done > $EXPECTED_PATH
if [[ $? != 0 ]]; then
	echo "Failed to concatenate test cases" 1>&2
	exit 1
fi
echo "Running phan in '$PWD' ..."
rm $ACTUAL_PATH -f || exit 1

# We use the polyfill parser because it behaves consistently in all php versions.
../../phan --force-polyfill-parser --memory-limit 1G | tee $ACTUAL_PATH

sed -i -e 's,\<closure_[0-9a-f]\{12\}\>,closure_%s,g' \
    -e "s,[^\\']*plugin_test[/\\\\],,g" \
    -e 's,\(PhanTypeErrorInInternalCall.*\)integer given,\1int given,g' \
    $ACTUAL_PATH $EXPECTED_PATH

sed -i 's,missing closing parenthesis,missing ),g' $ACTUAL_PATH

# diff returns a non-zero exit code if files differ or are missing
# This outputs the difference between actual and expected output.
echo
echo "Comparing the output:"

# Normalize PHP_VERSION_ID
# and remove/replace php 8.0 warnings
sed -i -e 's/^\(src.020_bool.php.*of type\) [0-9]\+ \(evaluated\)/\1 int \2/g' \
    -e 's@src/157_polyfill_compilation_warning.php:3 PhanNativePHPSyntaxCheckPlugin Saw error or notice for php --syntax-check: "Parse error: Unterminated comment starting line 3"@src/157_polyfill_compilation_warning.php:3 PhanSyntaxCompileWarning Saw a warning while parsing: Unterminated comment starting line 3@g' \
    -e '/__autoload() is no longer supported, use spl_autoload_register/d' \
    -e 's/PhanTypeMismatchArgumentInternalReal/PhanTypeMismatchArgumentInternalProbablyReal/g' \
    -e 's/string \$haystack, int|string \$needle, int \$offset = 0/string \$haystack, int|string \$needle, int \$offset = unknown/g' \
    -e 's/\\\(Exception\|Error\)|\\Stringable|\\Throwable/\\\1|\\Throwable/g' \
    -e 's/strlen(): Argument #1 (\$string) must be of type string/strlen() expects parameter 1 to be string/g' \
    $ACTUAL_PATH

if type colordiff >/dev/null; then
    DIFF=colordiff
else
    DIFF=diff
fi

$DIFF $EXPECTED_PATH $ACTUAL_PATH
EXIT_CODE=$?
if [ "$EXIT_CODE" == 0 ]; then
	echo "Files $EXPECTED_PATH and output $ACTUAL_PATH are identical"
    rm $ACTUAL_PATH
fi
exit $EXIT_CODE