#!/bin/bash

staticPathSubstitution="\$\$\${GITSUBSTITUTE_REPO_ROOT}"
oneOrMoreSubstitutedFileExists="false"

# if checkout is a branch checkout
if [ $3 == "1" ]; then
    echo "Looking for files to substitute..."
    
    repoRoot=$(git rev-parse --show-toplevel)
    listFilesToSubstitute=$(find -name *.gitsubstitute)
    
    for fileToSubstitute in $listFilesToSubstitute; do
        if ! [ -f ${fileToSubstitute%.gitsubstitute} ]; then
            echo "create file: ${fileToSubstitute%.gitsubstitute}"
            
            fullPath="${repoRoot}/${fileToSubstitute}"
            fullPathSubstitute="${repoRoot}/${fileToSubstitute%.gitsubstitute}"
            
            fileContent=$(<$fullPath)
            echo "${fileContent//${staticPathSubstitution}/${repoRoot}}" > "${fullPathSubstitute}"
        else
            oneOrMoreSubstitutedFileExists="true"
        fi
    done
    
    if [ $oneOrMoreSubstitutedFileExists == "true" ]; then
        echo "One or more substituted file exists."
        echo "If you want to clean the repo and recreate all projects run './clean_and_recreate_all'"
    fi
fi