/*
 * Copyright 2024 the KubeSphere Authors.
 * Please refer to the LICENSE file in the root directory of the project.
 * https://github.com/kubesphere/kubesphere/blob/master/LICENSE
 */

package params

import (
	"net/http"
	"net/url"
	"reflect"
	"testing"

	"github.com/stretchr/testify/assert"

	"github.com/emicklei/go-restful/v3"
)

func TestParseConditions(t *testing.T) {
	type args struct {
		req *restful.Request
	}
	tests := []struct {
		name    string
		args    args
		want    *Conditions
		wantErr bool
	}{
		{
			"good case 1",
			args{&restful.Request{Request: &http.Request{URL: &url.URL{
				RawQuery: "conditions=status%3Ddraft%7Cactive%7Csuspended%7Cpassed",
			}}}},
			&Conditions{
				Match: map[string]string{
					"status": "draft|active|suspended|passed",
				},
				Fuzzy: map[string]string{},
			},
			false,
		},
		{
			"good case 2",
			args{&restful.Request{Request: &http.Request{URL: &url.URL{
				RawQuery: "conditions=status1%3Ddraft%7Cactive%7Csuspended%7Cpassed,status2~draft%7Cactive,status3",
			}}}},
			&Conditions{
				Match: map[string]string{
					"status1": "draft|active|suspended|passed",
					"status3": "",
				},
				Fuzzy: map[string]string{
					"status2": "draft|active",
				},
			},
			false,
		},
		{
			"good case 3",
			args{&restful.Request{Request: &http.Request{URL: &url.URL{
				RawQuery: "conditions=status%3Ddraft%7Cactive%7Csuspended%7Cpassed%28%29,",
			}}}},
			&Conditions{
				Match: map[string]string{
					"status": "draft|active|suspended|passed()",
				},
				Fuzzy: map[string]string{},
			},
			false,
		},

		{
			"bad case 1",
			args{&restful.Request{Request: &http.Request{URL: &url.URL{
				RawQuery: "conditions=%28select+status%3D%29",
			}}}},
			nil,
			true,
		},
		{
			"bad case 2",
			args{&restful.Request{Request: &http.Request{URL: &url.URL{
				RawQuery: "conditions=%28select+status%3D%2C",
			}}}},
			nil,
			true,
		},
		{
			"bad case 3",
			args{&restful.Request{Request: &http.Request{URL: &url.URL{
				RawQuery: "conditions=status%3D%2C%28select+status%3D%29",
			}}}},
			nil,
			true,
		},
		{
			"bad case 4",
			args{&restful.Request{Request: &http.Request{URL: &url.URL{
				RawQuery: "conditions=%28select+status%3Ddraft%7Cactive%7Csuspended%7Cpassed%29",
			}}}},
			nil,
			true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := ParseConditions(tt.args.req)
			if (err != nil) != tt.wantErr {
				t.Errorf("ParseConditions() error = %+v, wantErr %+v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("ParseConditions() = %+v, want %+v", got, tt.want)
			}
		})
	}
}

func Test_parseConditions(t *testing.T) {
	type args struct {
		conditionsStr string
	}
	tests := []struct {
		name    string
		args    args
		want    *Conditions
		wantErr bool
	}{
		{
			"good case 1",
			args{"key1=value1,key2~value2,key3=,key4~,key5"},
			&Conditions{
				Match: map[string]string{
					"key1": "value1",
					"key3": "",
					"key5": "",
				},
				Fuzzy: map[string]string{
					"key2": "value2",
					"key4": "",
				},
			},
			false,
		},
		{
			"bad case 1",
			args{"key1 error=value1,key2~value2,key3=,key4~,key5"},
			nil,
			true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := parseConditions(tt.args.conditionsStr)
			if (err != nil) != tt.wantErr {
				t.Errorf("parseConditions() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("parseConditions() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestParsePaging(t *testing.T) {
	type testData struct {
		req    *restful.Request
		limit  int
		offset int
	}

	table := []testData{{
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "",
		}}},
		limit: 10, offset: 0,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "paging=limit=11,page=1",
		}}},
		limit: 11, offset: 0,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "paging=limit=10,page=2",
		}}},
		limit: 10, offset: 10,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "paging=limit=a,page=2",
		}}},
		limit: 10, offset: 0,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "paging=limit=10,page=a",
		}}},
		limit: 10, offset: 0,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "paging=limit=a,page=a",
		}}},
		limit: 10, offset: 0,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "limit=10&page=2",
		}}},
		limit: 10, offset: 10,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "page=2",
		}}},
		limit: 10, offset: 10,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "page=3",
		}}},
		limit: 10, offset: 20,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "start=10&limit10",
		}}},
		limit: 10, offset: 10,
	}, {
		req: &restful.Request{Request: &http.Request{URL: &url.URL{
			RawQuery: "page=3&start=10&limit10",
		}}},
		limit: 10, offset: 10,
	}}

	for index, item := range table {
		limit, offset := ParsePaging(item.req)
		assert.Equal(t, item.limit, limit, "index: [%d], wrong limit", index)
		assert.Equal(t, item.offset, offset, "index: [%d], wrong offset", index)
	}
}

func TestAtoiOrDefault(t *testing.T) {
	type testData struct {
		msg      string
		str      string
		def      int
		expected int
	}
	table := []testData{{
		msg:      "non-numerical",
		str:      "a",
		def:      1,
		expected: 1,
	}, {
		msg:      "non-numerical, empty string",
		str:      "",
		def:      1,
		expected: 1,
	}, {
		msg:      "numerical",
		str:      "2",
		def:      1,
		expected: 2,
	}}

	for index, item := range table {
		result := AtoiOrDefault(item.str, item.def)
		assert.Equal(t, item.expected, result, "test case[%d]: '%s' is wrong", index, item.msg)
	}
}