#!/bin/sh
export PATH=/usr/local/bin:$PATH

files=$(git diff --cached --name-only --diff-filter=ACM | grep ".js$")
pass=true

if [ "$files" = "" ]; then
   exit 0
fi

pass=true

echo "\nValidating JavaScript:\n----------------------"

for file in ${files}; do

    resultLint=$(/usr/local/bin/jshint $PWD/${file} | grep "error")
    resultCS=$(/usr/local/bin/jscs $PWD/${file} | grep "style errors found")
    errorsLint=$(/usr/local/bin/jshint $PWD/${file})
    errorsCS=$(/usr/local/bin/jscs $PWD/${file})

    if [ "$resultLint" == "" ]; then
       echo "JSHint Passed: ${file}"
    else
        echo "$errorsLint"
        echo "JSHint Failed: ${file}"
        pass=false
    fi

    if [ "$resultCS" == "" ]; then
        echo "JSCS Passed: ${file}"
    else
        echo "$errorsCS"
        echo "JSCS Failed: ${file}"
        pass=false
    fi

    if [ "$file" == ".jscsrc" ]; then
        echo "You are not allowed to modifly .jscsrc"
        pass=false
    fi

    if [ "$file" == ".jshintrc" ]; then
        echo "You are not allowed to modifly .jscsrc"
        pass=false
    fi

done

echo "\nJavaScript validation complete\n"

if ! $pass; then
   echo "COMMIT FAILED: Your commit contains files that should pass JSLint but do not. Please fix the JSLint errors and try again.\n"
   exit 1
else
   echo "COMMIT SUCCEEDED"
fi