package eia

import (
	"context"
	"reflect"
	"testing"

	"k8s.io/utils/ptr"

	eiaapi "gitea.libretechconsulting.com/rmcguire/eia-api-go/api"
)

func TestGetRoutes(t *testing.T) {
	type args struct {
		suffixes []string
	}
	tests := []struct {
		name string
		args args
		want []string
	}{
		{
			name: "List known routes",
			args: args{
				suffixes: []string{
					"Aeo",
					"Electricity",
					"Gas",
				},
			},
			want: []string{
				"GetV2Aeo",
				"GetV2Electricity",
				"GetV2NaturalGas",
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := GetRoutes(tt.args.suffixes...); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("GetRoutes() = %v, want %v", got, tt.want)
			}
		})
	}
}

func Test_prepMethodArgs(t *testing.T) {
	client, _ := eiaapi.NewClient("test.test")
	type args struct {
		method reflect.Value
		name   string
		subs   *MethodSubs
	}
	tests := []struct {
		name string
		args args
		want []reflect.Value
	}{
		{
			name: "Test substitute GetV2AeoRoute1FacetFacetId params",
			args: args{
				name: "GetV2AeoRoute1FacetFacetId",
				method: reflect.ValueOf(
					client.GetV2AeoRoute1FacetFacetId,
				),
				subs: &MethodSubs{
					TypedParams: map[reflect.Type]reflect.Value{
						reflect.TypeOf((*context.Context)(nil)).Elem(): reflect.ValueOf(context.TODO()),
					},
					StrTypedParams: map[string]reflect.Value{
						"FacetId": reflect.ValueOf(eiaapi.FacetId("seriesId")),
						"Route1":  reflect.ValueOf(eiaapi.Route1("2023")),
					},
				},
			},
			want: []reflect.Value{
				reflect.ValueOf(context.TODO()),
				reflect.ValueOf(eiaapi.Route1("2023")),
				reflect.ValueOf(eiaapi.FacetId("seriesId")),
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := prepMethodArgs(tt.args.method, tt.args.name, tt.args.subs); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("prepMethodArgs() = %v, want %v", got, tt.want)
			}
		})
	}
}

func Test_getFRR(t *testing.T) {
	sampleFinalRouteResponse := eiaapi.FinalRouteResponse{
		Request: &eiaapi.RouteRequest{},
		Response: &eiaapi.FinalRoute{
			Description: ptr.To("Annual Energy Outlook"),
			Id:          ptr.To("aeo"),
			Facets: &[]eiaapi.FacetMetaData{
				{
					Description: ptr.To("Future Scenario"),
					Id:          ptr.To("scenario"),
				},
			},
		},
	}
	sampleRouteResponse := eiaapi.RouteResponse{
		Request: &eiaapi.RouteRequest{},
		Response: &eiaapi.Routes{
			Description: ptr.To("Annual Energy Outlook"),
			Id:          ptr.To("aeo"),
			Name:        ptr.To("aeo"),
			Routes: ptr.To([]eiaapi.Routes{
				{
					Id:   ptr.To("2023"),
					Name: ptr.To("2023"),
				},
			}),
		},
	}
	type args struct {
		json200 reflect.Value
	}
	tests := []struct {
		name    string
		args    args
		want    eiaapi.FinalRouteResponse
		wantErr bool
		wantNil bool
	}{
		{
			name: "Extract final route response",
			args: args{
				json200: reflect.ValueOf(&sampleFinalRouteResponse),
			},
			want:    sampleFinalRouteResponse,
			wantNil: false,
			wantErr: false,
		},
		{
			name: "Unexpected routes response",
			args: args{
				json200: reflect.ValueOf(&sampleRouteResponse),
			},
			want:    eiaapi.FinalRouteResponse{},
			wantNil: true,
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := getFRR(tt.args.json200)
			if (err != nil) != tt.wantErr {
				t.Errorf("getFRR() error = %v, wantErr %v", err, tt.wantErr)
				return
			} else if (got == nil) != tt.wantNil {
				t.Error("unexpected nil response")
				return
			} else if (got == nil) == tt.wantNil {
				return
			}
			if !reflect.DeepEqual(*got, tt.want) {
				t.Errorf("getFRR() = %v, want %v", got, tt.want)
			}
		})
	}
}

func Test_getRR(t *testing.T) {
	sampleFinalRouteResponse := eiaapi.FinalRouteResponse{
		Request: &eiaapi.RouteRequest{},
		Response: &eiaapi.FinalRoute{
			Description: ptr.To("Annual Energy Outlook"),
			Id:          ptr.To("aeo"),
			Facets: &[]eiaapi.FacetMetaData{
				{
					Description: ptr.To("Future Scenario"),
					Id:          ptr.To("scenario"),
				},
			},
		},
	}
	sampleRouteResponse := eiaapi.RouteResponse{
		Request: &eiaapi.RouteRequest{},
		Response: &eiaapi.Routes{
			Description: ptr.To("Annual Energy Outlook"),
			Id:          ptr.To("aeo"),
			Name:        ptr.To("aeo"),
			Routes: ptr.To([]eiaapi.Routes{
				{
					Id:   ptr.To("2023"),
					Name: ptr.To("2023"),
				},
			}),
		},
	}
	type args struct {
		json200 reflect.Value
	}
	tests := []struct {
		name    string
		args    args
		want    eiaapi.RouteResponse
		wantErr bool
		wantNil bool
	}{
		{
			name: "Extract routes response",
			args: args{
				json200: reflect.ValueOf(&sampleRouteResponse),
			},
			want:    sampleRouteResponse,
			wantErr: false,
		},
		{
			name: "Unexpected final route",
			args: args{
				json200: reflect.ValueOf(&sampleFinalRouteResponse),
			},
			want:    eiaapi.RouteResponse{},
			wantNil: true,
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := getRR(tt.args.json200)
			if (err != nil) != tt.wantErr {
				t.Errorf("getRR() error = %v, wantErr %v", err, tt.wantErr)
				return
			} else if (got == nil) != tt.wantNil {
				t.Error("unexpected nil response")
				return
			} else if (got == nil) == tt.wantNil {
				return
			}
			if !reflect.DeepEqual(*got, tt.want) {
				t.Errorf("getRR() = %v, want %v", got, tt.want)
			}
		})
	}
}

func Test_getParser(t *testing.T) {
	type args struct {
		forMethod string
	}
	tests := []struct {
		name    string
		args    args
		want    reflect.Value
		wantErr bool
	}{
		{
			name:    "Get known parser",
			args:    args{forMethod: "GetV2Aeo"},
			want:    reflect.ValueOf(eiaapi.ParseFunctionsMap["ParseGetV2AeoResponse"]),
			wantErr: false,
		},
		{
			name:    "Get unknown parser",
			args:    args{forMethod: "GetNonsense"},
			want:    reflect.ValueOf(nil),
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := getParser(tt.args.forMethod)
			if (err != nil) != tt.wantErr {
				t.Errorf("getParser() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("getParser() = %v, want %v", got, tt.want)
			}
		})
	}
}