#!/bin/bash

echo "VERCEL_ENV: $VERCEL_ENV"
echo "VERCEL_GIT_COMMIT_REF: $VERCEL_GIT_COMMIT_REF"
echo "VERCEL_GIT_REPO_OWNER: $VERCEL_GIT_REPO_OWNER"
echo "VERCEL_GIT_REPO_SLUG: $VERCEL_GIT_REPO_SLUG"

echo "Checking for skip-preview tags..."
COMMIT_MESSAGE=$(git log -1 --pretty=%B)
echo "Commit message: $COMMIT_MESSAGE"
if [[ "$COMMIT_MESSAGE" == *"[skip-preview]"* ]] || [[ "$COMMIT_MESSAGE" == *"[no-preview]"* ]] || [[ "$COMMIT_MESSAGE" == *"[skip-deploy]"* ]]; then
    echo "🛑 Skip-preview tag found in commit message - skipping preview deployment"
    exit 0
fi


if  { \
        [ "$VERCEL_ENV" == "production" ] || \
        [ "$VERCEL_GIT_COMMIT_REF" == "master" ] || \
        [ "$VERCEL_GIT_COMMIT_REF" == "v0.1" ] || \
        [ "$VERCEL_GIT_COMMIT_REF" == "v0.2" ] || \
        [ "$VERCEL_GIT_COMMIT_REF" == "v0.3rc" ]; \
    } && [ "$VERCEL_GIT_REPO_OWNER" == "langchain-ai" ]
then
     echo "✅ Production build - proceeding with build"
     exit 1
fi


echo "Checking for changes in docs/"
echo "---"
git log -n 50 --pretty=format:"%s" -- . ../packages.yml | grep -v '(#'
if [ $? -eq 0 ]; then
    echo "---"
    echo "✅ Changes detected in docs/ - proceeding with build"
    exit 1
else
    echo "---"
    echo "🛑 No changes detected in docs/ - ignoring build"
    exit 0
fi