package generators

import (
	"encoding/json"
	"math/rand"
	"os"
)

type SatyrArrays struct {
	Nm1  []string `json:"nm1"`
	Nm2  []string `json:"nm2"`
	Nm3  []string `json:"nm3"`
	Nm4  []string `json:"nm4"`
	Nm5  []string `json:"nm5"`
	Nm6  []string `json:"nm6"`
	Nm7  []string `json:"nm7"`
	Nm8  []string `json:"nm8"`
	Nm9  []string `json:"nm9"`
	Nm10 []string `json:"nm10"`
	Nm11 []string `json:"nm11"`
	Nm12 []string `json:"nm12"`
	Nm13 []string `json:"nm13"`
	Nm14 []string `json:"nm14"`
	Nm15 []string `json:"nm15"`
	Nm16 []string `json:"nm16"`
	Nm17 []string `json:"nm17"`
	Nm18 []string `json:"nm18"`
}

func LoadSatyrArrays(path string) (SatyrArrays, error) {
	var arrays SatyrArrays
	file, err := os.Open(path)
	if err != nil {
		return arrays, err
	}
	defer file.Close()
	decoder := json.NewDecoder(file)
	err = decoder.Decode(&arrays)
	return arrays, err
}

func SatyrNameMas(arr *SatyrArrays, swearFilter func(string) bool) string {
	nTp := rand.Intn(2)
	rnd := rand.Intn(len(arr.Nm1))
	rnd2 := rand.Intn(len(arr.Nm2))
	rnd3 := rand.Intn(len(arr.Nm3))
	rnd4 := rand.Intn(len(arr.Nm6))
	rnd5 := rand.Intn(len(arr.Nm7))
	for rnd2 == 0 && rnd4 == 0 {
		rnd2 = rand.Intn(len(arr.Nm2))
	}
	var nMs string
	if nTp == 0 {
		for arr.Nm3[rnd3] == arr.Nm7[rnd5] && arr.Nm3[rnd3] == arr.Nm1[rnd] {
			rnd3 = rand.Intn(len(arr.Nm3))
		}
		nMs = arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm3[rnd3] + arr.Nm6[rnd4] + arr.Nm7[rnd5]
	} else {
		rnd6 := rand.Intn(len(arr.Nm4))
		rnd7 := rand.Intn(len(arr.Nm5))
		for arr.Nm3[rnd5] == arr.Nm5[rnd3] && arr.Nm3[rnd5] == arr.Nm1[rnd] {
			rnd5 = rand.Intn(len(arr.Nm3))
		}
		for rnd6 == 0 && rnd4 == 0 {
			rnd6 = rand.Intn(len(arr.Nm4))
		}
		nMs = arr.Nm1[rnd] + arr.Nm2[rnd2] + arr.Nm3[rnd3] + arr.Nm4[rnd6] + arr.Nm5[rnd7] + arr.Nm6[rnd4] + arr.Nm7[rnd5]
	}
	if swearFilter != nil && swearFilter(nMs) {
		return ""
	}
	return nMs
}

func SatyrNameFem(arr *SatyrArrays, swearFilter func(string) bool) string {
	nTp := rand.Intn(8)
	var nMs string
	if nTp == 0 {
		rnd := rand.Intn(9)
		rnd2 := rand.Intn(3)
		nMs = arr.Nm8[rnd] + arr.Nm13[rnd2]
	} else {
		rnd := rand.Intn(len(arr.Nm8))
		rnd2 := rand.Intn(len(arr.Nm9))
		rnd3 := rand.Intn(len(arr.Nm10))
		rnd4 := rand.Intn(len(arr.Nm13))
		if nTp < 3 {
			for arr.Nm8[rnd] == arr.Nm10[rnd3] {
				rnd3 = rand.Intn(len(arr.Nm10))
			}
			for rnd2 < 3 {
				rnd2 = rand.Intn(len(arr.Nm9))
			}
			nMs = arr.Nm8[rnd] + arr.Nm9[rnd2] + arr.Nm10[rnd3] + arr.Nm13[rnd4]
		} else {
			rnd5 := rand.Intn(len(arr.Nm11))
			rnd6 := rand.Intn(len(arr.Nm12))
			for arr.Nm12[rnd6] == arr.Nm10[rnd3] && arr.Nm10[rnd3] == arr.Nm8[rnd] {
				rnd3 = rand.Intn(len(arr.Nm10))
			}
			for rnd2 < 3 && rnd4 < 3 {
				rnd2 = rand.Intn(len(arr.Nm9))
			}
			nMs = arr.Nm8[rnd] + arr.Nm9[rnd2] + arr.Nm10[rnd3] + arr.Nm11[rnd5] + arr.Nm12[rnd6] + arr.Nm13[rnd4]
		}
	}
	if swearFilter != nil && swearFilter(nMs) {
		return ""
	}
	return nMs
}

func SatyrNameChild(arr *SatyrArrays) string {
	nTp := rand.Intn(5)
	var nMs string
	if nTp == 0 {
		rnd := rand.Intn(len(arr.Nm18))
		nMs = arr.Nm18[rnd]
	} else if nTp < 3 {
		rnd := rand.Intn(len(arr.Nm14))
		rnd2 := rand.Intn(len(arr.Nm15))
		for arr.Nm14[rnd] == arr.Nm15[rnd2] {
			rnd2 = rand.Intn(len(arr.Nm15))
		}
		nMs = arr.Nm14[rnd] + arr.Nm15[rnd2]
	} else {
		rnd := rand.Intn(len(arr.Nm16))
		rnd2 := rand.Intn(len(arr.Nm17))
		for arr.Nm16[rnd] == arr.Nm17[rnd2] {
			rnd2 = rand.Intn(len(arr.Nm17))
		}
		nMs = arr.Nm16[rnd] + arr.Nm17[rnd2]
	}
	return nMs
}

func GenerateSatyrNames(arr *SatyrArrays, gender string, swearFilter func(string) bool) []string {
	names := make([]string, 0, 10)
	switch gender {
	case "child":
		for i := 0; i < 10; i++ {
			n := SatyrNameChild(arr)
			names = append(names, n)
		}
	case "female":
		for i := 0; i < 10; i++ {
			n := SatyrNameFem(arr, swearFilter)
			for n == "" {
				n = SatyrNameFem(arr, swearFilter)
			}
			names = append(names, n)
		}
	default:
		for i := 0; i < 10; i++ {
			n := SatyrNameMas(arr, swearFilter)
			for n == "" {
				n = SatyrNameMas(arr, swearFilter)
			}
			names = append(names, n)
		}
	}
	return names
}