type CleanupArgs struct {
	ServiceName string
}

type ContainerStatus struct {
	ContainerName string
	ContainerID   string
	Status        string
}

type DeployArgs struct {
	ServiceName string
	Tag         string
}

type DeployResult struct {
	ServiceName  string
	DeploymentID int
}

type DeploymentStrategy int

type Engine struct {
	// contains filtered or unexported fields
}

type EngineConfig struct {
	Caddy caddy.Config `yaml:"caddy"`
	Paths PathsConfig  `yaml:"paths"`
}

type GetDefaultServiceResult struct {
	Name string
}

type NetworkConfig struct {
	Mode *NetworkMode `yaml:"mode"`
}

type NetworkMode string

type PathsConfig struct {
	// Config is the path to the directory containing service configs
	Config string `yaml:"config" validate:"required"`
	// State is the path to store state about deployments etc
	State string `yaml:"state" validate:"required"`
}

type ProcessCaddyConfig struct {
	Hostnames []string `yaml:"hostnames"`
	Path      string   `yaml:"path"`
}

type ProcessStatus struct {
	WantReplicas int
	Containers   []ContainerStatus
}

type ProcessStatuses map[string]ProcessStatus

type RunTaskArgs struct {
	ServiceName string
	TaskName    string
}

type ServiceCallbacksConfig struct {
	PreDeployment  []string `yaml:"preDeployment"`
	PostDeployment []string `yaml:"postDeployment"`
}

type ServiceConfig struct {
	// Name is the unique identifier of the service, usually the name of the
	// file it has been retrieved from.
	Name string `yaml:"_"`
	// Defaults is a series of configuration values to use by default in
	// configuring process and task containers.
	Defaults ServiceDefaultsConfig `yaml:"defaults"`

	// Processes is a map of process name to configuration to deploy as part of
	// this service.
	Processes map[string]ServiceProcessConfig `yaml:"processes" validate:"dive"`
	// Tasks is a map of task names to configuration that are available for
	// invoking as part of this service.
	Tasks map[string]ServiceTaskConfig `yaml:"tasks" validate:"dive"`

	// Callbacks are definitions of Tasks to run when specific events occur,
	// e.g before a deployment.
	Callbacks ServiceCallbacksConfig `yaml:"callbacks"`
}

type ServiceDefaultsConfig struct {
	Image     string               `yaml:"image"`
	ImageTag  string               `yaml:"imageTag"`
	ImagePull *bool                `yaml:"imagePull,omitempty"`
	Env       map[string]string    `yaml:"env"`
	Mounts    []ServiceMountConfig `yaml:"mounts"`
	Network   NetworkConfig        `yaml:"network"`

	// User allows the default User/Group to be specified for task and
	// process containers.
	//
	// The following formats are valid:
	// [ user | user:group | uid | uid:gid | user:gid | uid:group ]
	User string `yaml:"user"`
}

type ServiceMountConfig struct {
	Host      string `yaml:"host"`
	Container string `yaml:"container"`
}

type ServiceProcessConfig struct {
	Image     string               `yaml:"image"`
	ImageTag  string               `yaml:"imageTag"`
	ImagePull *bool                `yaml:"imagePull,omitempty"`
	Command   []string             `yaml:"command"`
	Quantity  int                  `yaml:"quantity"`
	Env       map[string]string    `yaml:"env"`
	Mounts    []ServiceMountConfig `yaml:"mounts"`
	Caddy     ProcessCaddyConfig   `yaml:"caddy"`

	// Privileged grants all capabilities to the container.
	Privileged bool `yaml:"privileged"`

	// User allows the User/Group to be configured for the process container.
	//
	// The following formats are valid:
	// [ user | user:group | uid | uid:gid | user:gid | uid:group ]
	User string `yaml:"user"`

	Network    NetworkConfig `yaml:"network"`
	ReadyCheck *ready.Check  `yaml:"readyCheck"`

	// TODO: add validation to constrain this value
	DeploymentStrategy  DeploymentStrategy `yaml:"deploymentStrategy"`
	ShutdownGracePeriod time.Duration      `yaml:"shutdownGracePeriod"`
	// contains filtered or unexported fields
}

type ServiceTaskConfig struct {
	Image       string               `yaml:"image"`
	ImageTag    string               `yaml:"imageTag"`
	ImagePull   *bool                `yaml:"imagePull,omitempty"`
	Command     []string             `yaml:"command"`
	Interactive bool                 `yaml:"interactive"`
	Env         map[string]string    `yaml:"env"`
	Mounts      []ServiceMountConfig `yaml:"mounts"`
	Network     NetworkConfig        `yaml:"network"`

	// User allows the User/Group to be configured for the task container.
	//
	// The following formats are valid:
	// [ user | user:group | uid | uid:gid | user:gid | uid:group ]
	User string `yaml:"user"`
	// contains filtered or unexported fields
}

type StatusArgs struct {
	ServiceName string
}

type StatusResult struct {
	DeploymentID   int
	LastDeployedAt time.Time
	Processes      ProcessStatuses
}