#!/bin/bash
# Gitea PR Creation Helper
# Creates pull requests on git.manticorum.com via API
#
# Usage:
#   gitea-create-pr.sh <owner/repo> <head-branch> <base-branch> <title> [description]
#
# Example:
#   gitea-create-pr.sh cal/major-domo-database fix/my-feature main "Fix: My feature" "Description here"

set -e

# Check arguments
if [ $# -lt 4 ]; then
    echo "Usage: $0 <owner/repo> <head-branch> <base-branch> <title> [description]"
    echo ""
    echo "Example:"
    echo "  $0 cal/paper-dynasty fix/feature main 'Fix: Feature title' 'Optional description'"
    exit 1
fi

REPO="$1"
HEAD_BRANCH="$2"
BASE_BRANCH="$3"
TITLE="$4"
DESCRIPTION="${5:-Automated PR created by Claude Code}"

# Load token
GITEA_TOKEN=$(cat /home/cal/.claude/secrets/gitea_token | tr -d '\n')

if [ -z "$GITEA_TOKEN" ]; then
    echo "ERROR: Gitea token not found at /home/cal/.claude/secrets/gitea_token"
    exit 1
fi

# Create PR via Gitea API
echo "Creating PR on https://git.manticorum.com/$REPO"
echo "  Head: $HEAD_BRANCH"
echo "  Base: $BASE_BRANCH"
echo "  Title: $TITLE"
echo ""

RESPONSE=$(curl -s -X POST \
    -H "Authorization: token $GITEA_TOKEN" \
    -H "Content-Type: application/json" \
    "https://git.manticorum.com/api/v1/repos/$REPO/pulls" \
    -d @- <<EOF
{
  "title": "$TITLE",
  "head": "$HEAD_BRANCH",
  "base": "$BASE_BRANCH",
  "body": "$DESCRIPTION"
}
EOF
)

# Check for errors
if echo "$RESPONSE" | grep -q '"message"'; then
    echo "ERROR: Failed to create PR"
    echo "$RESPONSE" | jq -r '.message // .'
    exit 1
fi

# Extract PR number and URL
PR_NUMBER=$(echo "$RESPONSE" | jq -r '.number')
PR_URL=$(echo "$RESPONSE" | jq -r '.html_url')

echo "PR created successfully!"
echo "  Number: #$PR_NUMBER"
echo "  URL: $PR_URL"
echo ""
echo "Gitea Actions will now run on this PR."