name: 'Setup Postgresql and Postgis on Windows'

description: 'Installs PostgreSQL and PostGIS for Windows and configures it for CI tests'

inputs:
    postgresql-version:
        description: 'Version of PostgreSQL to install'
        required: true

runs:
    using: "composite"  

    steps:
        - name: Set up PostgreSQL variables
          shell: pwsh
          run: |
            $version = "${{ inputs.postgresql-version }}"
            $root = "C:\Program Files\PostgreSQL\$version"
            $bin = "$root\bin"

            echo "PGROOT=$root" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
            echo "PGBIN=$bin"   | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append

            echo "$bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append

        - name: Decide Postgis version (Windows)
          id: postgis-ver
          shell: pwsh
          run: |
            echo "PowerShell version: ${PSVersionTable.PSVersion}"
            $PG_VERSION = Split-Path $env:PGROOT -Leaf
            $postgis_page = "https://download.osgeo.org/postgis/windows/pg$PG_VERSION"
            echo "Detecting PostGIS version from $postgis_page for PostgreSQL $PG_VERSION"
            $pgis_bundle = (Invoke-WebRequest -Uri $postgis_page -ErrorAction Stop).Links.Where({$_.href -match "^postgis.*zip$"}).href
            if (!$pgis_bundle) {
              Write-Error "Could not find latest PostGIS version in $postgis_page that would match  ^postgis.*zip$  pattern"
              exit 1
            }
            $pgis_bundle = [IO.Path]::ChangeExtension($pgis_bundle, [NullString]::Value)
            $pgis_bundle_url = "$postgis_page/$pgis_bundle.zip"
            Add-Content $env:GITHUB_OUTPUT "postgis_file=$pgis_bundle"
            Add-Content $env:GITHUB_OUTPUT "postgis_bundle_url=$pgis_bundle_url"

        - uses: actions/cache@v4
          with:
            path: |
              C:/postgis.zip
            key: postgis-cache-${{ steps.postgis-ver.outputs.postgis_file }}

        - name: Download postgis
          shell: pwsh
          run: |
            if (!(Test-Path "C:\postgis.zip")){(new-object net.webclient).DownloadFile($env:PGIS_BUNDLE_URL, "c:\postgis.zip")}
            if (Test-path "c:\postgis_archive"){Remove-Item "c:\postgis_archive" -Recurse -Force}
            7z x c:\postgis.zip -oc:\postgis_archive
          env: 
            PGIS_BUNDLE_URL: ${{ steps.postgis-ver.outputs.postgis_bundle_url }}

        - name: Install postgis
          shell: bash
          run: |
            echo "Root: $PGROOT, Bin: $PGBIN"
            cp -r c:/postgis_archive/postgis-bundle-*/* "$PGROOT" 

        - name: Start PostgreSQL on Windows
          run: |
            $pgService = Get-Service -Name postgresql*
            Set-Service -InputObject $pgService -Status running -StartupType automatic
            Start-Process -FilePath "$env:PGBIN\pg_isready" -Wait -PassThru
          shell: pwsh

        - name: Adapt postgresql configuration
          shell: pwsh
          env:
            PGPASSWORD: root
          run: |
            & "$env:PGBIN\psql" -U postgres -d postgres -c "ALTER SYSTEM SET fsync = 'off';"
            & "$env:PGBIN\psql" -U postgres -d postgres -c "ALTER SYSTEM SET synchronous_commit = 'off';"
            & "$env:PGBIN\psql" -U postgres -d postgres -c "ALTER SYSTEM SET full_page_writes = 'off';"
            & "$env:PGBIN\psql" -U postgres -d postgres -c "ALTER SYSTEM SET shared_buffers = '1GB';"
            & "$env:PGBIN\psql" -U postgres -d postgres -c "ALTER SYSTEM SET port = 5432;"

            Restart-Service -Name postgresql*
            Start-Process -FilePath "$env:PGBIN\pg_isready" -Wait -PassThru

        - name: Setup database users
          shell: pwsh
          env:
            PGPASSWORD: root
          run: |
            & "$env:PGBIN\createuser" -U postgres -S www-data
            & "$env:PGBIN\createuser" -U postgres -s runner