name: Update SQLite3

on:
  schedule:
    - cron: "0 6 * * 0" # Run weekly
  workflow_dispatch:

jobs:
  check-update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - uses: actions/checkout@v4

      - name: Check SQLite version
        id: check-version
        run: |
          set -euo pipefail

          # Get current version from the header file using SQLITE_VERSION_NUMBER
          CURRENT_VERSION_NUM=$(grep -o '#define SQLITE_VERSION_NUMBER [0-9]\+' src/bun.js/bindings/sqlite/sqlite3_local.h | awk '{print $3}' | tr -d '\n\r')
          if [ -z "$CURRENT_VERSION_NUM" ]; then
            echo "Error: Could not find SQLITE_VERSION_NUMBER in sqlite3_local.h"
            exit 1
          fi

          # Convert numeric version to semantic version for display
          CURRENT_MAJOR=$((CURRENT_VERSION_NUM / 1000000))
          CURRENT_MINOR=$((($CURRENT_VERSION_NUM / 1000) % 1000))
          CURRENT_PATCH=$((CURRENT_VERSION_NUM % 1000))
          CURRENT_VERSION="$CURRENT_MAJOR.$CURRENT_MINOR.$CURRENT_PATCH"

          echo "current=$CURRENT_VERSION" >> $GITHUB_OUTPUT
          echo "current_num=$CURRENT_VERSION_NUM" >> $GITHUB_OUTPUT

          # Fetch SQLite download page
          DOWNLOAD_PAGE=$(curl -sL https://sqlite.org/download.html)
          if [ -z "$DOWNLOAD_PAGE" ]; then
            echo "Error: Failed to fetch SQLite download page"
            exit 1
          fi

          # Extract latest version and year from the amalgamation link
          LATEST_INFO=$(echo "$DOWNLOAD_PAGE" | grep -o 'sqlite-amalgamation-[0-9]\{7\}.zip' | head -n1)
          LATEST_YEAR=$(echo "$DOWNLOAD_PAGE" | grep -o '[0-9]\{4\}/sqlite-amalgamation-[0-9]\{7\}.zip' | head -n1 | cut -d'/' -f1 | tr -d '\n\r')
          LATEST_VERSION_NUM=$(echo "$LATEST_INFO" | grep -o '[0-9]\{7\}' | tr -d '\n\r')

          if [ -z "$LATEST_VERSION_NUM" ] || [ -z "$LATEST_YEAR" ]; then
            echo "Error: Could not extract latest version info"
            exit 1
          fi

          # Convert numeric version to semantic version for display
          LATEST_MAJOR=$((10#$LATEST_VERSION_NUM / 1000000))
          LATEST_MINOR=$((($LATEST_VERSION_NUM / 10000) % 100))
          LATEST_PATCH=$((10#$LATEST_VERSION_NUM % 1000))
          LATEST_VERSION="$LATEST_MAJOR.$LATEST_MINOR.$LATEST_PATCH"

          echo "latest=$LATEST_VERSION" >> $GITHUB_OUTPUT
          echo "latest_year=$LATEST_YEAR" >> $GITHUB_OUTPUT
          echo "latest_num=$LATEST_VERSION_NUM" >> $GITHUB_OUTPUT

          # Debug output
          echo "Current version: $CURRENT_VERSION ($CURRENT_VERSION_NUM)"
          echo "Latest version: $LATEST_VERSION ($LATEST_VERSION_NUM)"

      - name: Update SQLite if needed
        if: success() && steps.check-version.outputs.current_num < steps.check-version.outputs.latest_num
        run: |
          ./scripts/update-sqlite-amalgamation.sh ${{ steps.check-version.outputs.latest_num }} ${{ steps.check-version.outputs.latest_year }}

      - name: Create Pull Request
        if: success() && steps.check-version.outputs.current_num < steps.check-version.outputs.latest_num
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          add-paths: |
            src/bun.js/bindings/sqlite/sqlite3.c
            src/bun.js/bindings/sqlite/sqlite3_local.h
          commit-message: "deps: update sqlite to ${{ steps.check-version.outputs.latest }}"
          title: "deps: update sqlite to ${{ steps.check-version.outputs.latest }}"
          delete-branch: true
          branch: deps/update-sqlite-${{ steps.check-version.outputs.latest }}
          body: |
            ## What does this PR do?

            Updates SQLite to version ${{ steps.check-version.outputs.latest }}

            Compare: https://sqlite.org/src/vdiff?from=${{ steps.check-version.outputs.current }}&to=${{ steps.check-version.outputs.latest }}

            Auto-updated by [this workflow](https://github.com/oven-sh/bun/actions/workflows/update-sqlite3.yml)