package impl

import (
	"database/sql/driver"
	"encoding/json"
)

type Int64Array []int64

func (v *Int64Array) Scan(value interface{}) error {
	//判断类型
	switch data := value.(type) {
	case []byte:
		return json.Unmarshal(data, v)
	case string:
		return json.Unmarshal([]byte(data), v)
	case nil:
		return nil
	}
	return json.Unmarshal(value.([]byte), v)
}

func (v Int64Array) Value() (driver.Value, error) {
	return json.Marshal(v)
}

func (v Int64Array) RemoveDuplicates() Int64Array {
	newArr := make([]int64, 0)
	for i := 0; i < len(v); i++ {
		repeat := false
		for j := i + 1; j < len(v); j++ {
			if v[i] == v[j] {
				repeat = true
				break
			}
		}
		if !repeat {
			newArr = append(newArr, v[i])
		}
	}
	return newArr
}
func (v Int64Array) RemoveEmpty() Int64Array {
	return v.RemoveValue(0)
}

func (v Int64Array) RemoveValue(value int64) Int64Array {
	newArr := make([]int64, 0)
	for i := 0; i < len(v); i++ {
		if v[i] != value {
			newArr = append(newArr, v[i])
		}
	}
	return newArr
}

func (v Int64Array) Contains(id int64) bool {
	for _, i := range v {
		if i == id {
			return true
		}
	}
	return false
}

func (v Int64Array) Eq(arr []int64) bool {
	if len(v) != len(arr) {
		return false
	}
	for _, i := range arr {
		//只要有一个不包含就是不一样的
		if v.Contains(i) == false {
			return false
		}
	}
	return true
}

func (v Int64Array) ToIntSlice() []int {
	out := make([]int, 0)
	for _, i := range v {
		out = append(out, int(i))
	}
	return out
}