package script

import (
	"fmt"
	lucifer3 "git.aiterp.net/lucifer3/server"
	"git.aiterp.net/lucifer3/server/device"
	"git.aiterp.net/lucifer3/server/events"
	"github.com/google/uuid"
	"strconv"
)

type TriggerEvent string

const (
	TEButton           TriggerEvent = "Button"
	TETime             TriggerEvent = "Time"
	TETemperatureAbove TriggerEvent = "TemperatureAbove"
	TETemperatureBelow TriggerEvent = "TemperatureBelow"
)

type Trigger struct {
	ID           uuid.UUID    `json:"id"`
	Event        TriggerEvent `json:"event"`
	DeviceMatch  string       `json:"deviceMatch"`
	Parameter    string       `json:"parameter"`
	ScriptTarget string       `json:"scriptTarget"`
	ScriptName   string       `json:"scriptName"`
	ScriptPre    []Line       `json:"scriptPre"`
	ScriptPost   []Line       `json:"scriptPost"`
}

func (t *Trigger) Check(event lucifer3.Event, res device.Resolver) bool {
	devices := res.Resolve(t.DeviceMatch)

	switch event := event.(type) {
	case events.ButtonPressed:
		if t.Event != TEButton {
			return false
		}

		for _, dev := range devices {
			if dev.ID == event.ID {
				return t.Parameter == event.Name
			}
		}
	case events.Time:
		if t.Event != TETime {
			return false
		}

		return fmt.Sprintf("%02d:%02d", event.Hour, event.Minute) == t.Parameter
	case events.TemperatureChanged:
		if t.Event != TETemperatureAbove && t.Event != TETemperatureBelow {
			return false
		}

		num, err := strconv.ParseFloat(t.Parameter, 64)
		if err != nil {
			return false
		}

		for _, dev := range devices {
			if dev.ID == event.ID {
				return (event.Temperature >= num) == (t.Event == TETemperatureAbove)
			}
		}
	}

	return false
}