package compiler

// Per-device long-tail sections rendered into a device's config. The compiler
// filters each global list to the entries owned by the device.

type RenderedHost struct {
	Zone       string   `yaml:"zone" json:"zone"`
	Interface  string   `yaml:"interface" json:"interface"`
	Addresses  []string `yaml:"addresses,omitempty" json:"addresses,omitempty"`
	Exclusions []string `yaml:"exclusions,omitempty" json:"exclusions,omitempty"`
	Dynamic    bool     `yaml:"dynamic,omitempty" json:"dynamic,omitempty"`
}

type RenderedProvider struct {
	Name      string   `yaml:"name" json:"name"`
	Number    int      `yaml:"number" json:"number"`
	Mark      int      `yaml:"mark,omitempty" json:"mark,omitempty"`
	Duplicate string   `yaml:"duplicate,omitempty" json:"duplicate,omitempty"`
	Interface string   `yaml:"interface" json:"interface"`
	Gateway   string   `yaml:"gateway,omitempty" json:"gateway,omitempty"`
	Copy      []string `yaml:"copy,omitempty" json:"copy,omitempty"`
}

type RenderedRoute struct {
	Provider   string `yaml:"provider,omitempty" json:"provider,omitempty"`
	Dest       string `yaml:"dest" json:"dest"`
	Gateway    string `yaml:"gateway,omitempty" json:"gateway,omitempty"`
	Oif        string `yaml:"oif,omitempty" json:"oif,omitempty"`
	Persistent bool   `yaml:"persistent,omitempty" json:"persistent,omitempty"`
	Comment    string `yaml:"comment,omitempty" json:"comment,omitempty"`
}

type RenderedRoutingRule struct {
	Source     string `yaml:"source,omitempty" json:"source,omitempty"`
	Dest       string `yaml:"dest,omitempty" json:"dest,omitempty"`
	Provider   string `yaml:"provider" json:"provider"`
	Priority   int    `yaml:"priority,omitempty" json:"priority,omitempty"`
	Persistent bool   `yaml:"persistent,omitempty" json:"persistent,omitempty"`
	Mark       string `yaml:"mark,omitempty" json:"mark,omitempty"`
	Comment    string `yaml:"comment,omitempty" json:"comment,omitempty"`
}

// renderPerDevice projects the per-device long-tail sections owned by this device.
func renderPerDevice(in Input, out *RenderedConfig) {
	dev := in.Device.Name
	for _, h := range in.Hosts {
		if h.Device != dev {
			continue
		}
		out.Hosts = append(out.Hosts, RenderedHost{
			Zone: h.Zone, Interface: h.Interface, Addresses: h.Addresses,
			Exclusions: h.Exclusions, Dynamic: h.Dynamic,
		})
	}
	for _, p := range in.Providers {
		if p.Device != dev {
			continue
		}
		out.Providers = append(out.Providers, RenderedProvider{
			Name: p.Name, Number: p.Number, Mark: p.Mark, Duplicate: p.Duplicate,
			Interface: p.Interface, Gateway: p.Gateway, Copy: p.Copy,
		})
	}
	for _, r := range in.Routes {
		if r.Device != dev {
			continue
		}
		out.Routes = append(out.Routes, RenderedRoute{
			Provider: r.Provider, Dest: r.Dest, Gateway: r.Gateway,
			Oif: r.Oif, Persistent: r.Persistent, Comment: r.Comment,
		})
	}
	for _, r := range in.RoutingRules {
		if r.Device != dev {
			continue
		}
		out.RoutingRules = append(out.RoutingRules, RenderedRoutingRule{
			Source: r.Source, Dest: r.Dest, Provider: r.Provider, Priority: r.Priority,
			Persistent: r.Persistent, Mark: r.Mark, Comment: r.Comment,
		})
	}
}