package main

import (
	"fmt"
	"regexp"
	"strconv"
	"strings"

	_ "github.com/mattn/go-sqlite3"
	log "github.com/sirupsen/logrus"
)

type TelnetSpot struct {
	DX             string
	Spotter        string
	Frequency      string
	Mode           string
	Band           string
	Time           string
	DXCC           string
	Comment        string
	CommandNumber  int
	FlexSpotNumber int
	NewDXCC        bool
	NewBand        bool
	NewMode        bool
	CallsignWorked bool
}

func ProcessTelnetSpot(re *regexp.Regexp, spotRaw string, SpotChan chan TelnetSpot, log *log.Logger) {
	match := re.FindStringSubmatch(spotRaw)

	if len(match) != 0 {
		spot := TelnetSpot{
			DX:        match[3],
			Spotter:   match[1],
			Frequency: match[2],
			Mode:      match[4],
			Comment:   strings.Trim(match[5], " "),
			Time:      match[6],
		}

		spot.GetBand()
		spot.GuessMode()
		spot.DXCC, _ = CheckClubogDXCC(spot.DX)
		spot.CallsignWorked = false
		spot.NewBand = false
		spot.NewMode = false
		spot.NewDXCC = false

		contactRepo := NewLog4OMContactsRepository(Cfg.SQLite.SQLitePath, log)

		defer contactRepo.db.Close()

		contacts, _ := contactRepo.ListByCountry(spot.DXCC)
		contactsMode, _ := contactRepo.ListByCountryMode(spot.DXCC, spot.Mode)
		contactsBand, _ := contactRepo.ListByCountryBand(spot.DXCC, spot.Band)
		contactsCall, _ := contactRepo.ListByCallSign(spot.DX, spot.Band, spot.Mode)

		if len(contacts) == 0 {
			switch spot.DXCC {
			case "997":
				spot.NewDXCC = false
			case "1000":
				spot.NewDXCC = false
			default:
				spot.NewDXCC = true
			}
		} else if len(contactsMode) == 0 {
			spot.NewMode = true
		} else if len(contactsBand) == 0 {
			spot.NewBand = true
		} else if len(contactsCall) > 0 {
			spot.CallsignWorked = true
		}

		if spot.NewDXCC {
			log.Infof("(** New DXCC **) DX: %s - Spotter: %s - Freq: %s - Band: %s - Mode: %s - Comment: %s - Time: %s - Command: %v, FlexSpot: %v",
				spot.DX, spot.Spotter, spot.Frequency, spot.Band, spot.Mode, spot.Comment, spot.Time, spot.CommandNumber, spot.FlexSpotNumber)
		}

		if !spot.NewDXCC && spot.NewBand && spot.NewMode {
			log.Infof("(** New Band/Mode **) DX: %s - Spotter: %s - Freq: %s - Band: %s - Mode: %s - Comment: %s - Time: %s - DXCC: %s",
				spot.DX, spot.Spotter, spot.Frequency, spot.Band, spot.Mode, spot.Comment, spot.Time, spot.DXCC)
		}

		if !spot.NewDXCC && spot.NewBand && !spot.NewMode {
			log.Infof("(** New Band **) DX: %s - Spotter: %s - Freq: %s - Band: %s - Mode: %s - Comment: %s - Time: %s - DXCC: %s",
				spot.DX, spot.Spotter, spot.Frequency, spot.Band, spot.Mode, spot.Comment, spot.Time, spot.DXCC)
		}

		if !spot.NewDXCC && !spot.NewBand && spot.NewMode {
			log.Infof("(** New Mode **) DX: %s - Spotter: %s - Freq: %s - Band: %s - Mode: %s - Comment: %s - Time: %s - DXCC: %s",
				spot.DX, spot.Spotter, spot.Frequency, spot.Band, spot.Mode, spot.Comment, spot.Time, spot.DXCC)
		}

		if !spot.NewDXCC && !spot.NewBand && !spot.NewMode && spot.CallsignWorked {
			log.Infof("(** Worked **) DX: %s - Spotter: %s - Freq: %s - Band: %s - Mode: %s - Comment: %s - Time: %s - DXCC: %s",
				spot.DX, spot.Spotter, spot.Frequency, spot.Band, spot.Mode, spot.Comment, spot.Time, spot.DXCC)
		}

		if !spot.NewDXCC && !spot.NewBand && !spot.NewMode {
			log.Infof("DX: %s - Spotter: %s - Freq: %s - Band: %s - Mode: %s - Comment: %s - Time: %s - DXCC: %s",
				spot.DX, spot.Spotter, spot.Frequency, spot.Band, spot.Mode, spot.Comment, spot.Time, spot.DXCC)
		}

		// send spot to SpotChan to Flex Client to send the spot to Flex radio
		SpotChan <- spot

	}

}

func (spot *TelnetSpot) GetBand() {
	switch true {
	case strings.HasPrefix(spot.Frequency, "1.8"):
		spot.Band = "160M"
		if spot.Mode == "SSB" {
			spot.Mode = "LSB"
		}
	case strings.HasPrefix(spot.Frequency, "3"):
		spot.Band = "80M"
		if spot.Mode == "SSB" {
			spot.Mode = "LSB"
		}
	case strings.HasPrefix(spot.Frequency, "7"):
		spot.Band = "40M"
		if spot.Mode == "SSB" {
			spot.Mode = "LSB"
		}
	case strings.HasPrefix(spot.Frequency, "10"):
		spot.Band = "30M"
	case strings.HasPrefix(spot.Frequency, "14"):
		spot.Band = "20M"
		if spot.Mode == "SSB" {
			spot.Mode = "USB"
		}
	case strings.HasPrefix(spot.Frequency, "18"):
		spot.Band = "17M"
		if spot.Mode == "SSB" {
			spot.Mode = "USB"
		}
	case strings.HasPrefix(spot.Frequency, "21"):
		spot.Band = "15M"
		if spot.Mode == "SSB" {
			spot.Mode = "USB"
		}
	case strings.HasPrefix(spot.Frequency, "24"):
		spot.Band = "12M"
		if spot.Mode == "SSB" {
			spot.Mode = "USB"
		}
	case strings.HasPrefix(spot.Frequency, "28"):
		spot.Band = "10M"
		if spot.Mode == "SSB" {
			spot.Mode = "USB"
		}
	case strings.HasPrefix(spot.Frequency, "29"):
		spot.Band = "10M"
		if spot.Mode == "SSB" {
			spot.Mode = "USB"
		}
	default:
		spot.Band = "N/A"
	}
}

func (spot *TelnetSpot) GuessMode() {
	if spot.Mode == "" {
		freqInt, err := strconv.ParseFloat(spot.Frequency, 32)
		if err != nil {
			fmt.Println("could not convert frequency string in float64:", err)
		}

		switch spot.Band {
		case "160M":
			if freqInt <= 1840 && freqInt >= 1800 {
				spot.Mode = "CW"
			}
		case "40M":
			if freqInt <= 7074 && freqInt >= 7000 {
				spot.Mode = "CW"
			} else if freqInt <= 7079 && freqInt > 7074 {
				spot.Mode = "FT8"
			} else if freqInt <= 7079 && freqInt > 7074 {
				spot.Mode = "FT8"
			} else if freqInt <= 7079 && freqInt > 7074 {
				spot.Mode = "FT8"
			}

		}
	}
}