include "../service/service.sfp"
include "../node/node.sfp"

schema Apache extends Service {
	package_name = "apache2"
	service_name = "apache2"
	port : Int
	document_root : String
	installed : Bool
	running : Bool
	php_module : Bool
	php_mysql_module : Bool
	server_name : String

	// load balancer config
	is_load_balancer : Bool
	lb_members isset Node
	lb_method : String  // byrequests, bytraffic, bybusyness

	sub set_port(target isref Integer) {
		condition {
			this.installed = true
			this.running = false
		}
		effect {
			this.port = target
		}
	}

	synchronized sub uninstall {
		condition {
			this.installed = true
			this.running = false
			this.php_module = false
			this.php_mysql_module = false
		}
		effect {
			this.installed = false
		}
	}

	sub set_document_root (target isref String) {
		condition {
			this.running = false
			this.installed = true
		}
		effect {
			this.document_root = target
		}
	}

	sub set_server_name (target isref String) {
		condition {
			this.running = false
			this.installed = true
		}
		effect {
			this.server_name = target
		}
	}

	synchronized sub install_php_module {
		condition {
			this.installed = true
			this.running = false
		}
		effect {
			this.php_module = true
		}
	}

	synchronized sub uninstall_php_module {
		condition {
			this.running = false
		}
		effect {
			this.php_module = false
		}
	}

	synchronized sub install_php_mysql_module {
		condition {
			this.php_module = true
			this.installed = true
			this.running = false
		}
		effect {
			this.php_mysql_module = true
		}
	}

	synchronized sub uninstall_php_mysql_module {
		condition {
			this.running = false
		}
		effect {
			this.php_mysql_module = false
		}
	}

	sub enable_load_balancer {
		condition {
			this.installed = true
			this.running = false
		}
		effect {
			this.is_load_balancer = true
		}
	}

	sub disable_load_balancer {
		condition {
			this.installed = true
			this.running = false
			this.is_load_balancer = true
		}
		effect {
			this.is_load_balancer = false
		}
	}

	sub set_lb_members (members isset Node) {
		condition {
			this.installed = true
			this.running = false
			this.is_load_balancer = true
			foreach (members as node) {
				node.created = true
			}
		}
		effect {
			this.lb_members = members
		}
	}

	sub set_lb_method (target isref String) {
		condition {
			this.installed = true
			this.running = false
			this.is_load_balancer = true
		}
		effect {
			this.lb_method = target
		}
	}
}