package driver

import (
	"artNet/cfg"
	"artNet/models"
	serverModels "artNet/server/models"
	"fmt"
	"path"

	"github.com/tecamino/tecamino-logger/logging"
)

type ArtNetDriver struct {
	Name        string                 `yaml:"driver" json:"driver"`
	Buses       map[string]*models.Bus `yaml:"buses,omitempty" json:"buses,omitempty"`
	cfgHandler  *cfg.Cfg               `yaml:"-" json:"-"`
	Connections serverModels.Clients   `yaml:"-"`
	Log         *logging.Logger        `yaml:"-"`
}

// initialize new Art-Net driver
// cfgDir config directory
// name name of driver
func NewDriver(cfgDir, name string, debug bool) (*ArtNetDriver, error) {
	if cfgDir == "" {
		cfgDir = "./cfg"
	}

	logger, err := logging.NewLogger(path.Join(cfgDir, name+".log"), &logging.Config{
		MaxSize:     1,
		MaxBackup:   3,
		MaxAge:      28,
		Debug:       debug,
		TerminalOut: true,
	})
	if err != nil {
		panic(err)
	}

	logger.Debug("artNet.NewDriver", "initialize "+name+" driver")
	d := ArtNetDriver{
		Name:        name,
		Buses:       make(map[string]*models.Bus),
		cfgHandler:  cfg.NewCfgHandler(cfgDir, name),
		Connections: serverModels.NewClients(),
		Log:         logger,
	}

	if err := d.LoadCfg(); err != nil {
		logger.Error("artNet.NewDriver.LoadCfg", "error load driver configuration: "+err.Error())
		return nil, err
	}

	return &d, nil
}

// loads driver config
func (d *ArtNetDriver) LoadCfg() error {
	d.Log.Debug("artNet.LoadCfg", "load driver configuration")
	if err := d.cfgHandler.LoadCfg(d); err != nil {
		return err
	}

	for _, b := range d.Buses {
		d.NewBus(b.Name, b.Ip, *b.Port)
	}
	return nil
}

// adds new Art-Net bus/interface to driver port 0 = 6454 (default art-net)
func (d *ArtNetDriver) NewBus(name, ip string, port int) *models.Bus {
	b := models.NewBus(name, ip, port)
	b.Start(d.Log)
	d.Buses[name] = b
	return b
}

func (d *ArtNetDriver) SetValue(set models.Set) error {
	if _, ok := d.Buses[set.Bus]; !ok {
		return fmt.Errorf("no bus '%s' found", set.Bus)
	}
	d.Buses[set.Bus].Data.SetValue(set.Address, set.Value)

	return d.Buses[set.Bus].SendData()
}