package hue2

import (
	"encoding/json"
	"encoding/xml"
	"fmt"
	"git.aiterp.net/lucifer/new-server/internal/color"
	"strings"
	"time"
)

type DeviceData struct {
	ID       string         `json:"id"`
	LegacyID string         `json:"id_v1"`
	Metadata DeviceMetadata `json:"metadata"`
	Type     string         `json:"type"`

	ProductData DeviceProductData `json:"product_data"`
	Services    []ResourceLink    `json:"services"`
}

type DeviceMetadata struct {
	Archetype string `json:"archetype"`
	Name      string `json:"name"`
}

type DeviceProductData struct {
	Certified        bool   `json:"certified"`
	ManufacturerName string `json:"manufacturer_name"`
	ModelID          string `json:"model_id"`
	ProductArchetype string `json:"product_archetype"`
	ProductName      string `json:"product_name"`
	SoftwareVersion  string `json:"software_version"`
}

type SSEUpdate struct {
	CreationTime time.Time      `json:"creationTime"`
	ID           string         `json:"id"`
	Type         string         `json:"type"`
	Data         []ResourceData `json:"data"`
}

type ResourceData struct {
	ID       string         `json:"id"`
	LegacyID string         `json:"id_v1"`
	Metadata DeviceMetadata `json:"metadata"`
	Type     string         `json:"type"`

	Mode *string `json:"mode"`

	Owner            *ResourceLink      `json:"owner"`
	ProductData      *DeviceProductData `json:"product_data"`
	Services         []ResourceLink     `json:"services"`
	Button           *SensorButton      `json:"button"`
	Power            *LightPower        `json:"on"`
	Color            *LightColor        `json:"color"`
	ColorTemperature *LightCT           `json:"color_temperature"`
	Dimming          *LightDimming      `json:"dimming"`
	Dynamics         *LightDynamics     `json:"dynamics"`
	Alert            *LightAlert        `json:"alert"`
	PowerState       *PowerState        `json:"power_state"`
	Temperature      *SensorTemperature `json:"temperature"`
	Motion           *SensorMotion      `json:"motion"`
	Status           *string            `json:"status"`
}

func (res *ResourceData) ServiceID(kind string) *string {
	for _, ptr := range res.Services {
		if ptr.Kind == kind {
			return &ptr.ID
		}
	}

	return nil
}

func (res *ResourceData) ServiceIndex(kind string, id string) int {
	idx := 0
	for _, link := range res.Services {
		if link.ID == id {
			return idx
		} else if link.Kind == kind {
			idx += 1
		}
	}

	return -1
}

func (res *ResourceData) WithUpdate(update ResourceUpdate) *ResourceData {
	resCopy := *res

	if update.Name != nil {
		resCopy.Metadata.Name = *update.Name
	}
	if update.Power != nil {
		cp := *resCopy.Power
		resCopy.Power = &cp
		resCopy.Power.On = *update.Power
	}
	if update.ColorXY != nil {
		cp := *resCopy.Color
		resCopy.Color = &cp
		resCopy.Color.XY = *update.ColorXY

		if resCopy.ColorTemperature != nil {
			cp := *resCopy.ColorTemperature
			resCopy.ColorTemperature = &cp
			resCopy.ColorTemperature.Mirek = nil
		}
	}
	if update.Mirek != nil {
		cp := *resCopy.ColorTemperature
		resCopy.ColorTemperature = &cp
		mirek := *update.Mirek
		resCopy.ColorTemperature.Mirek = &mirek
	}
	if update.Brightness != nil {
		cp := *resCopy.Dimming
		resCopy.Dimming = &cp
		resCopy.Dimming.Brightness = *update.Brightness
	}

	return &resCopy
}

type SensorButton struct {
	LastEvent string `json:"last_event"`
}

type SensorMotion struct {
	Motion bool `json:"motion"`
	Valid  bool `json:"motion_valid"`
}

type SensorTemperature struct {
	Temperature float64 `json:"temperature"`
	Valid       bool    `json:"temperature_valid"`
}

type PowerState struct {
	BatteryState string  `json:"battery_state"`
	BatteryLevel float64 `json:"battery_level"`
}

type LightPower struct {
	On bool `json:"on"`
}

type LightDimming struct {
	Brightness float64 `json:"brightness"`
}

type LightColor struct {
	Gamut     color.Gamut `json:"gamut"`
	GamutType string      `json:"gamut_type"`
	XY        color.XY    `json:"xy"`
}

type LightCT struct {
	Mirek       *int               `json:"mirek"`
	MirekSchema LightCTMirekSchema `json:"mirek_schema"`
	MirekValid  bool               `json:"mirek_valid"`
}

type LightCTMirekSchema struct {
	MirekMaximum int `json:"mirek_maximum"`
	MirekMinimum int `json:"mirek_minimum"`
}

type LightDynamics struct {
	Speed        float64  `json:"speed"`
	SpeedValid   bool     `json:"speed_valid"`
	Status       string   `json:"status"`
	StatusValues []string `json:"status_values"`
}

type LightAlert struct {
	ActionValues []string `json:"action_values"`
}

type ResourceUpdate struct {
	Name               *string
	Power              *bool
	ColorXY            *color.XY
	Brightness         *float64
	Mirek              *int
	TransitionDuration *time.Duration
}

func (r ResourceUpdate) MarshalJSON() ([]byte, error) {
	chunks := make([]string, 0, 4)
	if r.Name != nil {
		s, _ := json.Marshal(*r.Name)
		chunks = append(chunks, fmt.Sprintf(`"metadata":{"name":%s}`, string(s)))
	}
	if r.Power != nil {
		chunks = append(chunks, fmt.Sprintf(`"on":{"on":%v}`, *r.Power))
	}
	if r.ColorXY != nil {
		chunks = append(chunks, fmt.Sprintf(`"color":{"xy":{"x":%f,"y":%f}}`, r.ColorXY.X, r.ColorXY.Y))
	}
	if r.Brightness != nil {
		chunks = append(chunks, fmt.Sprintf(`"dimming":{"brightness":%f}`, *r.Brightness))
	}
	if r.Mirek != nil {
		chunks = append(chunks, fmt.Sprintf(`"color_temperature":{"mirek":%d}`, *r.Mirek))
	}
	if r.TransitionDuration != nil {
		chunks = append(chunks, fmt.Sprintf(`"dynamics":{"duration":%d}`, r.TransitionDuration.Truncate(time.Millisecond*100).Milliseconds()))
	}

	return []byte(fmt.Sprintf("{%s}", strings.Join(chunks, ","))), nil
}

type ResourceLink struct {
	ID   string `json:"rid"`
	Kind string `json:"rtype"`
}

func (rl *ResourceLink) Path() string {
	return fmt.Sprintf("/clip/v2/resource/%s/%s", rl.Kind, rl.ID)
}

type CreateUserInput struct {
	DeviceType string `json:"devicetype"`
}

type CreateUserResponse struct {
	Success *struct {
		Username string `json:"username"`
	} `json:"success"`
	Error *struct {
		Type        int    `json:"type"`
		Address     string `json:"address"`
		Description string `json:"description"`
	} `json:"error"`
}

type DiscoveryEntry struct {
	Id                string `json:"id"`
	InternalIPAddress string `json:"internalipaddress"`
}

type BridgeDeviceInfo struct {
	XMLName     xml.Name `xml:"root"`
	Text        string   `xml:",chardata"`
	Xmlns       string   `xml:"xmlns,attr"`
	SpecVersion struct {
		Text  string `xml:",chardata"`
		Major string `xml:"major"`
		Minor string `xml:"minor"`
	} `xml:"specVersion"`
	URLBase string `xml:"URLBase"`
	Device  struct {
		Text             string `xml:",chardata"`
		DeviceType       string `xml:"deviceType"`
		FriendlyName     string `xml:"friendlyName"`
		Manufacturer     string `xml:"manufacturer"`
		ManufacturerURL  string `xml:"manufacturerURL"`
		ModelDescription string `xml:"modelDescription"`
		ModelName        string `xml:"modelName"`
		ModelNumber      string `xml:"modelNumber"`
		ModelURL         string `xml:"modelURL"`
		SerialNumber     string `xml:"serialNumber"`
		UDN              string `xml:"UDN"`
		PresentationURL  string `xml:"presentationURL"`
		IconList         struct {
			Text string `xml:",chardata"`
			Icon struct {
				Text     string `xml:",chardata"`
				Mimetype string `xml:"mimetype"`
				Height   string `xml:"height"`
				Width    string `xml:"width"`
				Depth    string `xml:"depth"`
				URL      string `xml:"url"`
			} `xml:"icon"`
		} `xml:"iconList"`
	} `xml:"device"`
}