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package pflag
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import (
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	"fmt"
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	"strconv"
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	"strings"
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)
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// -- int32Slice Value
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type int32SliceValue struct {
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	value   *[]int32
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	changed bool
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}
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func newInt32SliceValue(val []int32, p *[]int32) *int32SliceValue {
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	isv := new(int32SliceValue)
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	isv.value = p
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	*isv.value = val
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	return isv
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}
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func (s *int32SliceValue) Set(val string) error {
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	ss := strings.Split(val, ",")
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	out := make([]int32, len(ss))
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	for i, d := range ss {
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		var err error
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		var temp64 int64
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		temp64, err = strconv.ParseInt(d, 0, 32)
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		if err != nil {
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			return err
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		}
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		out[i] = int32(temp64)
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	}
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	if !s.changed {
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		*s.value = out
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	} else {
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		*s.value = append(*s.value, out...)
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	}
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	s.changed = true
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	return nil
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}
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func (s *int32SliceValue) Type() string {
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	return "int32Slice"
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}
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func (s *int32SliceValue) String() string {
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	out := make([]string, len(*s.value))
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	for i, d := range *s.value {
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		out[i] = fmt.Sprintf("%d", d)
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	}
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	return "[" + strings.Join(out, ",") + "]"
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}
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func (s *int32SliceValue) fromString(val string) (int32, error) {
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	t64, err := strconv.ParseInt(val, 0, 32)
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	if err != nil {
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		return 0, err
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	}
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	return int32(t64), nil
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}
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func (s *int32SliceValue) toString(val int32) string {
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	return fmt.Sprintf("%d", val)
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}
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func (s *int32SliceValue) Append(val string) error {
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	i, err := s.fromString(val)
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	if err != nil {
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		return err
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	}
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	*s.value = append(*s.value, i)
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	return nil
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}
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func (s *int32SliceValue) Replace(val []string) error {
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	out := make([]int32, len(val))
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	for i, d := range val {
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		var err error
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		out[i], err = s.fromString(d)
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		if err != nil {
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			return err
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		}
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	}
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	*s.value = out
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	return nil
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}
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func (s *int32SliceValue) GetSlice() []string {
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	out := make([]string, len(*s.value))
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	for i, d := range *s.value {
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		out[i] = s.toString(d)
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	}
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	return out
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}
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func int32SliceConv(val string) (interface{}, error) {
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	val = strings.Trim(val, "[]")
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	// Empty string would cause a slice with one (empty) entry
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	if len(val) == 0 {
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		return []int32{}, nil
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	}
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	ss := strings.Split(val, ",")
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	out := make([]int32, len(ss))
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	for i, d := range ss {
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		var err error
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		var temp64 int64
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		temp64, err = strconv.ParseInt(d, 0, 32)
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		if err != nil {
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			return nil, err
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		}
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		out[i] = int32(temp64)
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	}
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	return out, nil
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}
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// GetInt32Slice return the []int32 value of a flag with the given name
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func (f *FlagSet) GetInt32Slice(name string) ([]int32, error) {
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	val, err := f.getFlagType(name, "int32Slice", int32SliceConv)
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	if err != nil {
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		return []int32{}, err
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	}
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	return val.([]int32), nil
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}
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// Int32SliceVar defines a int32Slice flag with specified name, default value, and usage string.
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// The argument p points to a []int32 variable in which to store the value of the flag.
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func (f *FlagSet) Int32SliceVar(p *[]int32, name string, value []int32, usage string) {
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	f.VarP(newInt32SliceValue(value, p), name, "", usage)
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}
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// Int32SliceVarP is like Int32SliceVar, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Int32SliceVarP(p *[]int32, name, shorthand string, value []int32, usage string) {
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	f.VarP(newInt32SliceValue(value, p), name, shorthand, usage)
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}
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// Int32SliceVar defines a int32[] flag with specified name, default value, and usage string.
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// The argument p points to a int32[] variable in which to store the value of the flag.
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func Int32SliceVar(p *[]int32, name string, value []int32, usage string) {
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	CommandLine.VarP(newInt32SliceValue(value, p), name, "", usage)
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}
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// Int32SliceVarP is like Int32SliceVar, but accepts a shorthand letter that can be used after a single dash.
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func Int32SliceVarP(p *[]int32, name, shorthand string, value []int32, usage string) {
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	CommandLine.VarP(newInt32SliceValue(value, p), name, shorthand, usage)
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}
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// Int32Slice defines a []int32 flag with specified name, default value, and usage string.
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// The return value is the address of a []int32 variable that stores the value of the flag.
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func (f *FlagSet) Int32Slice(name string, value []int32, usage string) *[]int32 {
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	p := []int32{}
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	f.Int32SliceVarP(&p, name, "", value, usage)
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	return &p
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}
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// Int32SliceP is like Int32Slice, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Int32SliceP(name, shorthand string, value []int32, usage string) *[]int32 {
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	p := []int32{}
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	f.Int32SliceVarP(&p, name, shorthand, value, usage)
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	return &p
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}
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// Int32Slice defines a []int32 flag with specified name, default value, and usage string.
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// The return value is the address of a []int32 variable that stores the value of the flag.
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func Int32Slice(name string, value []int32, usage string) *[]int32 {
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	return CommandLine.Int32SliceP(name, "", value, usage)
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}
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// Int32SliceP is like Int32Slice, but accepts a shorthand letter that can be used after a single dash.
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func Int32SliceP(name, shorthand string, value []int32, usage string) *[]int32 {
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	return CommandLine.Int32SliceP(name, shorthand, value, usage)
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}
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