package config

import (
	"errors"
	"fmt"
	"net"
)

type HostConfig struct {
	Domain             string `toml:"domain"`
	IpAddress          string `toml:"ip"`
	LocalAddress       string `toml:"local_address"`
	InternalEntrypoint string `toml:"internal_entrypoint"`
	ExternalEntrypoint string `toml:"external_entrypoint"`
	baseRoleConfig
}

func (c HostConfig) Validate() error {
	if c.Domain == "" {
		return errors.New("missing domain")
	}

	if c.IpAddress == "" {
		return errors.New("missing ip")
	}

	if net.ParseIP(c.IpAddress) == nil {
		return fmt.Errorf("invalid ip: %q", c.IpAddress)
	}

	if c.LocalAddress == "" {
		return errors.New("missing local address")
	}

	if c.InternalEntrypoint == "" {
		return errors.New("missing internal entrypoint")
	}

	if c.ExternalEntrypoint == "" {
		return errors.New("missing external entrypoint")
	}

	return nil
}

func (c *HostConfig) Merge(other HostConfig) {
	if other.set {
		c.set = other.set
	}

	if other.Domain != "" {
		c.Domain = other.Domain
	}

	if other.IpAddress != "" {
		c.IpAddress = other.IpAddress
	}

	if other.LocalAddress != "" {
		c.LocalAddress = other.LocalAddress
	}

	if other.InternalEntrypoint != "" {
		c.InternalEntrypoint = other.InternalEntrypoint
	}

	if other.ExternalEntrypoint != "" {
		c.ExternalEntrypoint = other.ExternalEntrypoint
	}
}