param ([string]$db)

Set-Strictmode -Version 1

$composeDir = "."

$composeWithoutDb=@"
version: "3.9"
services:
  lers:
    image: sc.lers.ru/reg/full:`${VERSION:-latest}
    ports:
      - "10000:10000"
    volumes:
      - lers-data:/var/LERS
      - lers-config-data:/etc/LERS
volumes:
  lers-data:
  lers-config-data:
"@

$composeSqlServer=@"
version: "3.9"
services:
  lers:
    image: sc.lers.ru/reg/full:`${VERSION:-latest}
    depends_on:
      - "db"
    ports:
      - "10000:10000"
    volumes:
      - lers-data:/var/LERS
    environment:
      LERS_SERVER_DATABASE__ConnectionString: "Data Source=db; Initial Catalog=LERS; User ID=sa; Password=`${DB_PASSWORD}; Integrated Security=false"
  db:
    image: "mcr.microsoft.com/mssql/server"
    environment:
      MSSQL_SA_PASSWORD: `${DB_PASSWORD}
      ACCEPT_EULA: "y"
    volumes:
      - db-data:/var/opt/mssql/data
volumes:
  lers-db-data:
  lers-data:
"@

$composePostgres=@"
version: "3.9"
services:
  lers:
    image: lersamr/full:`${VERSION:-latest}
    depends_on:
      - "db"
    ports:
      - "10000:10000"
    volumes:
      - lers-data:/var/LERS
    environment:
      LERS_SERVER_DATABASE__ConnectionString: "Host=db;Database=LERS;Username=postgres;Password=${DB_PASSWORD}"
      LERS_SERVER_DATABASE__Provider: "Postgres"
  db:
    image: postgres
    environment:
      POSTGRES_PASSWORD: ${DB_PASSWORD}
    volumes:
      - lers-db-data:/var/lib/postgresql/data
volumes:
  lers-db-data:
  lers-data:
"@


function IsInstalled-Docker {
	$output = docker --version
	
	return $output.StartsWith("Docker version");
}

function InstallDocker-Redos {
	dnf install docker-ce docker-ce-cli docker-compose-plugin
}

#
# Скрипт для создания compose.yml файла ЛЭРС
#


$osRelease = Get-Content /etc/os-release | ConvertFrom-StringData

# Проверяем установлен ли Docker

if (IsInstalled-Docker) {
	Write-Host "Docker установлен."
}
else {
	if ( $osRelease.ID -eq "`"redos`"" ) {
		InstallDocker-Redos
	} else {
		Write-Host "Docker не установлен. Установите Docker для вашей операционной системы $($osRelease.NAME)"
		exit 1;
	}
}

# Сохраняем compose файл для нужных опций

$compose = $composeWithoutDb

if (($db -eq "pg") -or ($db -eq "postgres") -or ($db -eq "postgresql")) {
	Write-Host "Устанавливается Postgres"
	$compose = $composePostgres
}
elseif (($db -eq "sql") -or ($db -eq "sqlserver") -or ($db -eq "mssql") -or ($db -eq "mssqlserver")) {
	Write-Host "Устанавливается Microsoft SQL Server"
	$compose = $composeSqlServer
}
elseif ($db -eq "") {
	Write-Host "Устанавливается система без базы данных"
}
else {
	throw Error("Неподдерживаемая БД: " + $db)
}

# Создаём compose.yml

Out-File -FilePath "$composeDir/compose.yml" -InputObject $compose

# Создаём переменные среды

$envVars = @"
DB_PASSWORD=StrongDb_Password1
"@

Out-File -FilePath "$composeDir/.env" -InputObject $envVars