// Package cache implements utility routines for manipulating cache.
// It supports currently local file and redis cache.
package cache

import (
	"testing"
)

func Test_GetDecision(t *testing.T) {
	IPInCache := "10.0.0.10"
	IPNotInCache := "10.0.0.20"
	client := &Client{cache: &localCache{}}
	client.SetDecision(IPInCache, true, 10)
	type args struct {
		clientIP string
	}
	tests := []struct {
		name     string
		args     args
		want     bool
		wantErr  bool
		valueErr string
	}{
		{name: "Fetch Known valid IP", args: args{clientIP: IPInCache}, want: true, wantErr: false, valueErr: ""},
		{name: "Fetch Unknown valid IP", args: args{clientIP: IPNotInCache}, want: false, wantErr: true, valueErr: "cache:miss"},
		{name: "Fetch invalid value", args: args{clientIP: "test"}, want: false, wantErr: true, valueErr: "cache:miss"},
		{name: "Fetch empty value", args: args{clientIP: ""}, want: false, wantErr: true, valueErr: "cache:miss"},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := client.GetDecision(tt.args.clientIP)
			if (err != nil) != tt.wantErr {
				t.Errorf("GetDecision() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if got != tt.want {
				t.Errorf("GetDecision() = %v, want %v", got, tt.want)
				return
			}
			if tt.valueErr != "" && tt.valueErr != err.Error() {
				t.Errorf("GetDecision() err = %v, want %v", err.Error(), tt.valueErr)
			}
		})
	}
}

func Test_SetDecision(t *testing.T) {
	client := &Client{cache: &localCache{}}
	IPInCache := "10.0.0.11"
	type args struct {
		clientIP string
		value    bool
		duration int64
	}
	tests := []struct {
		name string
		args args
		want bool
	}{
		{name: "Set valid IP in local cache for 0 sec", args: args{clientIP: IPInCache, value: true, duration: 0}, want: false},
		{name: "Set valid IP in local cache for 10 sec", args: args{clientIP: IPInCache, value: true, duration: 10}, want: true},
		{name: "Set valid IP in local cache for 10 sec", args: args{clientIP: IPInCache, value: false, duration: 10}, want: false},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			client.SetDecision(tt.args.clientIP, tt.args.value, tt.args.duration)
			got, _ := client.GetDecision(tt.args.clientIP)
			if got != tt.want {
				t.Errorf("SetDecision() = %v, want %v", got, tt.want)
				return
			}
		})
	}
}

func Test_DeleteDecision(t *testing.T) {
	IPInCache := "10.0.0.12"
	IPNotInCache := "10.0.0.22"
	client := &Client{cache: &localCache{}}
	client.SetDecision(IPInCache, true, 10)
	type args struct {
		clientIP string
	}
	tests := []struct {
		name string
		args args
		want bool
	}{
		{name: "Delete Known valid IP", args: args{clientIP: IPInCache}, want: false},
		{name: "Delete Unknown valid IP", args: args{clientIP: IPNotInCache}, want: false},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			client.DeleteDecision(tt.args.clientIP)
			got, _ := client.GetDecision(tt.args.clientIP)
			if got != tt.want {
				t.Errorf("DeleteDecision() = %v, want %v", got, tt.want)
				return
			}
		})
	}
}