// Copyright (C) 2018 Marius Schellenberger

package main

import (
	"fmt"
	"git.giftfish.de/ston1th/filter"
)

// Example data structure
type Example struct {
	String string
	Int    int
	Bool   bool
	Struct Struct1
}

type Struct1 struct {
	String string
	Struct Struct2
}

type Struct2 struct {
	Int int
}

// Filter implements the filter.Filter interface
type Filter []Example

func (v Filter) Len() int                { return len(v) }
func (v Filter) Index(i int) interface{} { return v[i] }

//func (v Filter) Remove(i, j int)         { v = append(v[:i], v[j:]...) }

func (v *Filter) Remove(i, j int) { *v = append((*v)[:i], (*v)[j:]...) }

// Example data
var data = Filter{
	{"str3", 42, true, Struct1{"s3", Struct2{3}}},
	{"2str", 42, true, Struct1{"s2", Struct2{2}}},
	{"str1", 42, false, Struct1{"s1", Struct2{1}}},
	{":*", 42, false, Struct1{"s4", Struct2{4}}},
}

func main() {
	f, err := filter.NewQuery("AND String:s*")
	if err != nil {
		fmt.Println(err)
	}
	d := f.GenericFilter(data)
	if d != nil {
		for _, v := range d.(Filter) {
			fmt.Println("Generic:", v)
		}
	}
	f, err = filter.NewQuery("OR Struct.Struct.Int:1 Struct.Struct.Int:2 String::")
	if err != nil {
		fmt.Println(err)
	}
	err = f.Filter(&data)
	if err != nil {
		fmt.Println(err)
	}
	for _, v := range data {
		fmt.Println("Interface:", v)
	}
	s, err := filter.NewQuery("sort:Bool:desc")
	if err != nil {
		fmt.Println(err)
	}
	err = s.Filter(&data)
	if err != nil {
		fmt.Println(err)
	}
	for _, v := range data {
		fmt.Println("Sort:", v)
	}
}