#!/bin/bash
set -e

BRANCH="dependency-updates-$(date +%Y%m%d)"
SUMMARY_FILE="/tmp/update_summary.md"

git config user.email "ci@gitea.com"
git config user.name "Gitea CI"

git checkout -b "$BRANCH"
git add pyproject.toml poetry.lock
git commit -m "chore: update dependencies $(date +%Y-%m-%d)"
git push "https://oauth2:${CI_TOKEN}@${CI_SERVER_URL#https://}/${REPO}.git" "$BRANCH"

# build the entire JSON payload in Python to avoid shell escaping issues
PAYLOAD=$(python3 - <<EOF
import json, sys

with open("${SUMMARY_FILE}") as f:
    description = f.read()

payload = {
    "head": "${BRANCH}",
    "base": "main",
    "title": "chore: dependency updates $(date +%Y-%m-%d)",
    "body": description,
    "assignees": [${ASSIGNEE_ID}],
}

print(json.dumps(payload))
EOF
)

HTTP_RESPONSE=$(curl --silent --show-error \
    --write-out "HTTPSTATUS:%{http_code}" \
    --request POST \
    --header "Authorization: token ${CI_TOKEN}" \
    --header "Content-Type: application/json" \
    --data "$PAYLOAD" \
    "${CI_SERVER_URL}/api/v1/repos/${REPO}/pulls")

HTTP_BODY=$(echo "$HTTP_RESPONSE" | sed -e 's/HTTPSTATUS:.*//g')
HTTP_STATUS=$(echo "$HTTP_RESPONSE" | tr -d '\n' | sed -e 's/.*HTTPSTATUS://')

echo "API response status: $HTTP_STATUS"
echo "API response body: $HTTP_BODY"

if [ "$HTTP_STATUS" -ne 201 ]; then
    echo "Failed to create pull request"
    exit 1
fi

echo "Pull request created for branch: $BRANCH"