#!/bin/bash
set -e

export EXIT_STATUS=0
export GUIDE_NAME=${PWD##*/} 

echo "Publishing guide for branch $GITHUB_REF"

./gradlew -Dgeb.env=chromeHeadless check || EXIT_STATUS=$?

if [[ $EXIT_STATUS -ne 0 ]]; then
    echo "Check failed" 
    exit $EXIT_STATUS
fi

./gradlew publishGuide || EXIT_STATUS=$?
if [[ $EXIT_STATUS -ne 0 ]]; then
    echo "PublishGuide failed" 
    exit $EXIT_STATUS
fi  

if [ "$GITHUB_REF" = "refs/heads/master" ] || [ "$GITHUB_REF" = "refs/heads/grails3" ]; then
    if [[ -z "${GITHUB_HEAD_REF}" ]]; then
        echo "Publishing Documentation"
        git config --global user.name "$GIT_NAME"
        git config --global user.email "$GIT_EMAIL"
        git config --global credential.helper "store --file=~/.git-credentials"
        echo "https://$GH_TOKEN:@github.com" > ~/.git-credentials

        git clone https://${GH_TOKEN}@github.com/grails/grails-guides.git -b gh-pages gh-pages --single-branch > /dev/null
    
        echo "Updating Guides JSON"
        ./gradlew updateGuidesJson || EXIT_STATUS=$?
        if [[ $EXIT_STATUS -ne 0 ]]; then
            echo "updateGuidesJson failed"
            rm -rf gh-pages
            exit $EXIT_STATUS
        fi
    
        cd gh-pages

        if [ "$GITHUB_REF" = "refs/heads/grails3" ]; then
            mkdir -p "grails3/$GUIDE_NAME"
            cp -r ../build/docs/. "./grails3/$GUIDE_NAME/"
        fi
        if [ "$GITHUB_REF" = "refs/heads/master" ]; then
             # If this is the master branch then update the snapshot
            mkdir -p "$GUIDE_NAME"
            cp -r ../build/docs/. "./$GUIDE_NAME/"
        fi

        if git diff --quiet; then
            echo "No changes in Guide"
        else
            git add .
            git commit -a -m "Publishing Grails Guide for Github Action Build: https://github.com/$GITHUB_REPOSITORY/runs/$GITHUB_RUN_ID"
            git push origin HEAD
        fi
        cd ..
        rm -rf gh-pages
    fi
fi
exit 0