// +build amd64,go1.16,!go1.21

/*
 * Copyright 2021 ByteDance Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package decoder

import (
    `encoding/json`
    `strings`
    `testing`
    `reflect`

    `github.com/bytedance/sonic/internal/rt`
    `github.com/stretchr/testify/assert`
)

func TestSkipMismatchTypeAmd64Error(t *testing.T) {
    t.Run("struct", func(t *testing.T) {
        println("TestSkipError")
        type skiptype struct {
            A int `json:"a"`
            B string `json:"b"`

            Pass *int `json:"pass"`

            C struct{

                Pass4 interface{} `json:"pass4"`

                D struct{
                    E float32 `json:"e"`
                } `json:"d"`

                Pass2 int `json:"pass2"`

            } `json:"c"`

            E bool `json:"e"`
            F []int `json:"f"`
            G map[string]int `json:"g"`
            H bool `json:"h,string"`

            Pass3 int `json:"pass2"`

            I json.Number `json:"i"`
        }
        var obj, obj2 = &skiptype{Pass:new(int)}, &skiptype{Pass:new(int)}
        var data = `{"a":"","b":1,"c":{"d":true,"pass2":1,"pass4":true},"e":{},"f":"","g":[],"pass":null,"h":"1.0","i":true,"pass3":1}`
        d := NewDecoder(data)
        err := d.Decode(obj)
        err2 := json.Unmarshal([]byte(data), obj2)
        println(err2.Error())
        assert.Equal(t, err2 == nil, err == nil)
        // assert.Equal(t, len(data), d.i)
        assert.Equal(t, obj2, obj)
        if te, ok := err.(*MismatchTypeError); ok {
            assert.Equal(t, reflect.TypeOf(obj.I), te.Type)
            assert.Equal(t, strings.Index(data, `"i":t`)+4, te.Pos)
            println(err.Error())
        } else {
            t.Fatal("invalid error")
        }
    })
    t.Run("short array", func(t *testing.T) {
        var obj, obj2 = &[]int{}, &[]int{}
        var data = `[""]`
        d := NewDecoder(data)
        err := d.Decode(obj)
        err2 := json.Unmarshal([]byte(data), obj2)
        // println(err2.Error())
        assert.Equal(t, err2 == nil, err == nil)
        // assert.Equal(t, len(data), d.i)
        assert.Equal(t, obj2, obj)
    })

    t.Run("int ", func(t *testing.T) {
        var obj int = 123
        var obj2 int = 123
        var data = `[""]`
        d := NewDecoder(data)
        err := d.Decode(&obj)
        err2 := json.Unmarshal([]byte(data), &obj2)
        println(err.Error(), obj, obj2)
        assert.Equal(t, err2 == nil, err == nil)
        // assert.Equal(t, len(data), d.i)
        assert.Equal(t, obj2, obj)
    })

    t.Run("array", func(t *testing.T) {
        var obj, obj2 = &[]int{}, &[]int{}
        var data = `["",true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true,true]`
        d := NewDecoder(data)
        err := d.Decode(obj)
        err2 := json.Unmarshal([]byte(data), obj2)
        // println(err2.Error())
        assert.Equal(t, err2 == nil, err == nil)
        // assert.Equal(t, len(data), d.i)
        assert.Equal(t, obj2, obj)
    })

    t.Run("map", func(t *testing.T) {
        var obj, obj2 = &map[int]int{}, &map[int]int{}
        var data = `{"true" : { },"1":1,"2" : true,"3":3}`
        d := NewDecoder(data)
        err := d.Decode(obj)
        err2 := json.Unmarshal([]byte(data), obj2)
        assert.Equal(t, err2 == nil, err == nil)
        // assert.Equal(t, len(data), d.i)
        assert.Equal(t, obj2, obj)
    })
    t.Run("map error", func(t *testing.T) {
        var obj, obj2 = &map[int]int{}, &map[int]int{}
        var data = `{"true" : { ],"1":1,"2" : true,"3":3}`
        d := NewDecoder(data)
        err := d.Decode(obj)
        err2 := json.Unmarshal([]byte(data), obj2)
        println(err.Error())
        println(err2.Error())
        assert.Equal(t, err2 == nil, err == nil)
        // assert.Equal(t, len(data), d.i)
        // assert.Equal(t, obj2, obj)
    })
}

func TestCopyString(t *testing.T) {
    var data []byte
    var dc *Decoder
    var err error
    data = []byte(`{"A":"0","B":"1"}`)
    dc = NewDecoder(rt.Mem2Str(data))
    dc.UseNumber()
    dc.CopyString()
    var obj struct{
        A string
        B string
    }
    err = dc.Decode(&obj)
    if err != nil {
        t.Fatal(err)
    }
    data[6] = '1'
    if obj.A != "0" {
        t.Fatal(obj)
    }
    data[14] = '0'
    if obj.B != "1" {
        t.Fatal(obj)
    }

    data = []byte(`{"A":"0","B":"1"}`)
    dc = NewDecoder(rt.Mem2Str(data))
    dc.UseNumber()
    err = dc.Decode(&obj)
    if err != nil {
        t.Fatal(err)
    }
    data[6] = '1'
    if obj.A != "1" {
        t.Fatal(obj)
    }
    data[14] = '0'
    if obj.B != "0" {
        t.Fatal(obj)
    }

    data = []byte(`{"A":"0","B":"1"}`)
    dc = NewDecoder(rt.Mem2Str(data))
    dc.UseNumber()
    dc.CopyString()
    m := map[string]interface{}{}
    err = dc.Decode(&m)
    if err != nil {
        t.Fatal(err)
    }
    data[2] = 'C'
    data[6] = '1'
    if m["A"] != "0" {
        t.Fatal(m)
    }
    data[10] = 'D'
    data[14] = '0'
    if m["B"] != "1" {
        t.Fatal(m)
    }

    data = []byte(`{"A":"0","B":"1"}`)
    dc = NewDecoder(rt.Mem2Str(data))
    dc.UseNumber()
    m = map[string]interface{}{}
    err = dc.Decode(&m)
    if err != nil {
        t.Fatal(err)
    }
    data[6] = '1'
    if m["A"] != "1" {
        t.Fatal(m)
    }
    data[14] = '0'
    if m["B"] != "0" {
        t.Fatal(m)
    }

    data = []byte(`{"A":"0","B":"1"}`)
    dc = NewDecoder(rt.Mem2Str(data))
    dc.UseNumber()
    dc.CopyString()
    var x interface{}
    err = dc.Decode(&x)
    if err != nil {
        t.Fatal(err)
    }
    data[2] = 'C'
    data[6] = '1'
    m = x.(map[string]interface{})
    if m["A"] != "0" {
        t.Fatal(m)
    }
    data[10] = 'D'
    data[14] = '0'
    if m["B"] != "1" {
        t.Fatal(m)
    }

    data = []byte(`{"A":"0","B":"1"}`)
    dc = NewDecoder(rt.Mem2Str(data))
    dc.UseNumber()
    var y interface{}
    err = dc.Decode(&y)
    if err != nil {
        t.Fatal(err)
    }
    m = y.(map[string]interface{})
    data[6] = '1'
    if m["A"] != "1" {
        t.Fatal(m)
    }
    data[14] = '0'
    if m["B"] != "0" {
        t.Fatal(m)
    }
}

func TestDecoder_SetOption(t *testing.T) {
    var v interface{}
    d := NewDecoder("123")
    d.SetOptions(OptionUseInt64)
    err := d.Decode(&v)
    assert.NoError(t, err)
    assert.Equal(t, v, int64(123))
}

func BenchmarkSkip_Sonic(b *testing.B) {
    var data = rt.Str2Mem(TwitterJson)
    if ret, _ := Skip(data); ret < 0 {
        b.Fatal()
    }
    b.SetBytes(int64(len(TwitterJson)))
    b.ResetTimer()
    for i:=0; i<b.N; i++ {
        _, _ = Skip(data)
    }
}