package generators

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

type SimicHybridArrays 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"`
}

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

func simicHybridNameMas(a SimicHybridArrays) (string, int) {
	rand.Seed(time.Now().UnixNano())
	nTp := rand.Intn(4)
	rnd := rand.Intn(len(a.Nm1))
	rnd2 := rand.Intn(len(a.Nm2))
	if nTp < 2 {
		if nTp == 0 {
			return a.Nm1[rnd], nTp
		} else {
			return a.Nm1[rnd] + a.Nm2[rnd2], nTp
		}
	} else {
		rnd3 := rand.Intn(len(a.Nm3))
		rnd4 := rand.Intn(len(a.Nm4))
		if nTp == 2 {
			return a.Nm1[rnd] + a.Nm2[rnd2] + a.Nm3[rnd3], nTp
		} else {
			return a.Nm1[rnd] + a.Nm2[rnd2] + a.Nm3[rnd3] + a.Nm4[rnd4], nTp
		}
	}
}

func simicHybridNameFir(a SimicHybridArrays) string {
	rand.Seed(time.Now().UnixNano())
	rnd := rand.Intn(len(a.Nm7))
	rnd2 := rand.Intn(len(a.Nm8))
	return a.Nm7[rnd] + a.Nm8[rnd2]
}

func simicHybridNameSec(a SimicHybridArrays) string {
	rand.Seed(time.Now().UnixNano())
	rnd := rand.Intn(len(a.Nm9))
	rnd2 := rand.Intn(len(a.Nm10))
	return a.Nm9[rnd] + a.Nm10[rnd2]
}

func GenerateSimicHybridNames(arr *SimicHybridArrays, gender string, swearFilter func(string) bool) []string {
	names := make([]string, 0, 10)
	for i := 0; i < 10; i++ {
		var nMs string
		if i < 5 {
			var nTp int
			nMs, nTp = simicHybridNameMas(*arr)
			if gender == "female" {
				rnd := rand.Intn(3)
				if nTp == 0 || nTp == 3 {
					nMs = nMs + arr.Nm6[rnd]
				} else {
					rnd += 3
					nMs = nMs + arr.Nm6[rnd]
				}
			} else {
				if nTp == 0 || nTp == 3 {
					nMs = nMs + arr.Nm5[0]
				} else {
					rnd := rand.Intn(5)
					nMs = nMs + arr.Nm5[rnd+1]
				}
			}
		} else {
			if gender == "female" {
				nMs = simicHybridNameSec(*arr)
			} else {
				nMs = simicHybridNameFir(*arr)
			}
		}
		for nMs == "" || swearFilter(nMs) {
			if i < 5 {
				var nTp int
				nMs, nTp = simicHybridNameMas(*arr)
				if gender == "female" {
					rnd := rand.Intn(3)
					if nTp == 0 || nTp == 3 {
						nMs = nMs + arr.Nm6[rnd]
					} else {
						rnd += 3
						nMs = nMs + arr.Nm6[rnd]
					}
				} else {
					if nTp == 0 || nTp == 3 {
						nMs = nMs + arr.Nm5[0]
					} else {
						rnd := rand.Intn(5)
						nMs = nMs + arr.Nm5[rnd+1]
					}
				}
			} else {
				if gender == "female" {
					nMs = simicHybridNameSec(*arr)
				} else {
					nMs = simicHybridNameFir(*arr)
				}
			}
		}
		names = append(names, nMs)
	}
	return names
}