package util

import (
	"testing"

	apiv1 "github.com/tidbcloud/infra-provider/api/tidbcloud/cluster-server/v1"
)

func TestBuildStorageClassName(t *testing.T) {
	tests := []struct {
		name      string
		component string
		storage   *apiv1.Cluster_Storage
		want      string
		wantErr   bool
	}{
		{
			name:      "EmptyComponent",
			component: "",
			storage: &apiv1.Cluster_Storage{
				Type: StorageTypeGp2,
			},
			wantErr: true,
		},
		{
			name:      "NilStorage",
			component: "tikv",
			storage:   nil,
			wantErr:   true,
		},
		{
			name:      "EmptyStorageType",
			component: "tikv",
			storage: &apiv1.Cluster_Storage{
				Type: "",
			},
			wantErr: true,
		},
		{
			name:      "UnsupportedStorageType",
			component: "tikv",
			storage: &apiv1.Cluster_Storage{
				Type: "unsupported",
			},
			wantErr: true,
		},
		{
			name:      "Gp2StorageType",
			component: "tikv",
			storage: &apiv1.Cluster_Storage{
				Type: StorageTypeGp2,
			},
			want:    "tikv-gp2",
			wantErr: false,
		},
		{
			name:      "Gp3StorageType",
			component: "tikv",
			storage: &apiv1.Cluster_Storage{
				Type:          StorageTypeGp3,
				Iops:          3000,
				ThroughputMbs: 144,
			},
			want:    "tikv-gp3-3000-144",
			wantErr: false,
		},
		{
			name:      "LocalStorageType",
			component: "tikv",
			storage: &apiv1.Cluster_Storage{
				Type: StorageTypeLocalStorage,
			},
			want:    StorageTypeLocalStorage,
			wantErr: false,
		},
		{
			name:      "PremiumV2StorageType",
			component: "tikv",
			storage: &apiv1.Cluster_Storage{
				Type:          StorageTypeAzurePremiumV2,
				Iops:          3000,
				ThroughputMbs: 144,
			},
			want:    "tikv-premiumv2-3000-144",
			wantErr: false,
		},
		{
			name:      "HyperdiskBalancedStorageType",
			component: "tikv",
			storage: &apiv1.Cluster_Storage{
				Type:          StorageTypeHyperdiskBalanced,
				Iops:          3000,
				ThroughputMbs: 144,
			},
			want:    "tikv-hyperdisk-balanced-3000-144",
			wantErr: false,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := BuildStorageClassName(tt.component, tt.storage)
			if (err != nil) != tt.wantErr {
				t.Errorf("BuildStorageClassName() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if got != tt.want {
				t.Errorf("BuildStorageClassName() = %v, want %v", got, tt.want)
			}
		})
	}
}