# Setup environment variables used for testscript
env REPO=${SCRIPT_NAME}-${RANDOM_STRING}
env FORK=${REPO}-fork

# Use gh as a credential helper
exec gh auth setup-git

# Create a repository to act as upstream with a file so it has a default branch
exec gh repo create ${ORG}/${REPO} --add-readme --private

# Defer repo cleanup of upstream
defer gh repo delete --yes ${ORG}/${REPO}
exec gh repo view ${ORG}/${REPO} --json id --jq '.id'
stdout2env REPO_ID

# Create a fork in the same org
exec gh repo fork ${ORG}/${REPO} --org ${ORG} --fork-name ${FORK}
sleep 5

# Defer repo cleanup of fork
defer gh repo delete --yes ${ORG}/${FORK}

exec gh repo view ${ORG}/${FORK} --json id --jq '.id'
stdout2env FORK_ID

# Clone the fork
exec gh repo clone ${ORG}/${FORK}
cd ${FORK}

# Prepare a branch
exec git checkout -b feature-branch
exec git commit --allow-empty -m 'Empty Commit'
exec git push -u origin feature-branch

# Create the PR spanning upstream and fork repositories, gh pr create does not support headRepositoryId needed for private forks
exec gh api graphql -F repositoryId="${REPO_ID}" -F headRepositoryId="${FORK_ID}" -F query='mutation CreatePullRequest($headRepositoryId: ID!, $repositoryId: ID!) { createPullRequest(input:{ baseRefName: "main", body: "Feature Body", draft: false, headRefName: "feature-branch", headRepositoryId: $headRepositoryId, repositoryId: $repositoryId, title:"Feature Title" }){ pullRequest{ id url } } }'

# View the PR
exec gh pr view
stdout 'Feature Title'