#!/bin/bash
TOKEN_FILE="/var/lib/gitea/workflow-pr.token"

# Wait for the token file to be created by the gitea setup script
echo "Waiting for $TOKEN_FILE..."
while [ ! -s "$TOKEN_FILE" ]; do
  sleep 2
done

# Read token and trim whitespace/newlines
GITEA_TOKEN=$(cat "$TOKEN_FILE" | tr -d '\n\r ' )

if [ -z "$GITEA_TOKEN" ]; then
  echo "Error: Token file $TOKEN_FILE is empty after trimming."
  exit 1
fi

export GITEA_TOKEN
echo "GITEA_TOKEN exported (length: ${#GITEA_TOKEN})"

# Wait for the dummy data to be created by the gitea setup script
echo "Waiting for workflow.config in products/SLFO..."
API_URL="http://gitea-test:3000/api/v1/repos/products/SLFO/contents/workflow.config"
HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: token $GITEA_TOKEN" "$API_URL")

while [ "$HTTP_STATUS" != "200" ]; do
  echo "workflow.config not found yet (HTTP Status: $HTTP_STATUS). Retrying in 5s..."
  sleep 5
  HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: token $GITEA_TOKEN" "$API_URL")
done

# Wait for the shared SSH key to be generated by the gitea setup script
echo "Waiting for /var/lib/gitea/ssh-keys/id_ed25519..."
while [ ! -f /var/lib/gitea/ssh-keys/id_ed25519 ]; do
  sleep 2
done

export AUTOGITS_IDENTITY_FILE="/root/.ssh/id_ed25519"

# Pre-populate known_hosts with Gitea's SSH host key
echo "Preparing SSH environment in /root/.ssh..."
mkdir -p /root/.ssh
chmod 700 /root/.ssh

# Copy the private key to the standard location and set permissions
cp /var/lib/gitea/ssh-keys/id_ed25519 /root/.ssh/id_ed25519
chmod 600 /root/.ssh/id_ed25519

echo "Scanning Gitea SSH host key..."
# We try multiple times because Gitea might still be starting its SSH server
for i in {1..10}; do
  ssh-keyscan -p 3022 gitea-test >> /root/.ssh/known_hosts 2>/dev/null && break
  echo "Retrying ssh-keyscan in 2s..."
  sleep 2
done
chmod 644 /root/.ssh/known_hosts

exe=$(which workflow-pr)
exe=${exe:-/usr/local/bin/workflow-pr}

package=$(rpm -qa | grep autogits-workflow-pr) || :

echo "!!!!!!!!!!!!!!!! using binary $exe; installed package: $package"
which strings > /dev/null 2>&1 && strings "$exe" | grep -A 2 vcs.revision= | head -4 || :

exec "$exe" "$@"