#!/usr/bin/env bash
# Marks an issue in-progress and creates its branch off the integration branch.
# Usage: start-pr.sh ISSUE_NUM BRANCH_NAME
set -euo pipefail
HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
. "$HERE/lib.sh"

ISSUE="${1:?ISSUE_NUM required}"
BRANCH="${2:?BRANCH_NAME required}"

# Swap labels: queued -> in-progress
QUEUED=$(python -c "import json; print(json.load(open('$LABEL_MAP'))['queue/queued'])")
INPROG=$(python -c "import json; print(json.load(open('$LABEL_MAP'))['queue/in-progress'])")

api_repo DELETE "issues/$ISSUE/labels/$QUEUED" >/dev/null || true
api_repo POST   "issues/$ISSUE/labels"          "{\"labels\":[$INPROG]}" >/dev/null

# Create branch off integration
EXISTS=$(api_repo GET "branches/$BRANCH" 2>/dev/null || echo "")
if [ -z "$EXISTS" ]; then
  PAYLOAD=$(python -c "import json; print(json.dumps({'new_branch_name':'$BRANCH','old_branch_name':'$INTEGRATION_BRANCH'}))")
  api_repo POST branches "$PAYLOAD" >/dev/null
  echo "  branch created: $BRANCH"
else
  echo "  branch exists: $BRANCH"
fi

# Comment
COMMENT=$(python -c "import json; print(json.dumps({'body':'🤖 Auto-loop picked this up. Branch: \`$BRANCH\`. Status: in-progress.'}))")
api_repo POST "issues/$ISSUE/comments" "$COMMENT" >/dev/null
echo "  issue #$ISSUE marked in-progress"