package gogeouri

import (
	"reflect"
	"testing"
)

func TestParse(t *testing.T) {
	type args struct {
		uri string
	}
	type testCase struct {
		name    string
		args    args
		want    *Geo
		wantErr bool
	}
	tests := []testCase{
		// Positive
		{
			name: "Simple",
			args: args{"geo:37.786971,-122.399677"},
			want: &Geo{
				Latitude:   37.786971,
				Longitude:  -122.399677,
				Parameters: map[string][]string{},
			},
			wantErr: false,
		},
		{
			name: "Altitude",
			args: args{"geo:37.786971,-122.399677,-123.456"},
			want: &Geo{
				Latitude:   37.786971,
				Longitude:  -122.399677,
				Altitude:   -123.456,
				Parameters: map[string][]string{},
			},
			wantErr: false,
		},
		{
			name: "Indigenous",
			args: args{"geo:51.5258325,-0.1359825,0.0;name=london;url=https://hwclondon.co.uk"},
			want: &Geo{
				Latitude:  51.5258325,
				Longitude: -0.1359825,
				Altitude:  0.0,
				Parameters: map[string][]string{
					"name": {"london"},
					"url":  {"https://hwclondon.co.uk"},
				},
			},
			wantErr: false,
		},
		{
			name: "Parameter without value",
			args: args{"geo:51.5258325,-0.1359825,0.0;name"},
			want: &Geo{
				Latitude:  51.5258325,
				Longitude: -0.1359825,
				Altitude:  0.0,
				Parameters: map[string][]string{
					"name": {},
				},
			},
			wantErr: false,
		},
		// Negative
		{
			name:    "Missing scheme",
			args:    args{"37.786971,-122.399677"},
			wantErr: true,
		},
		{
			name:    "Missing path",
			args:    args{"geo:"},
			wantErr: true,
		},
		{
			name:    "1 coordinate",
			args:    args{"geo:37.786971"},
			wantErr: true,
		},
		{
			name:    "4 coordinates",
			args:    args{"geo:123,123,123,123"},
			wantErr: true,
		},
		{
			name:    "Malformed latitude",
			args:    args{"geo:12x,123"},
			wantErr: true,
		},
		{
			name:    "Malformed longitude",
			args:    args{"geo:123,12x"},
			wantErr: true,
		},
		{
			name:    "Malformed altitude",
			args:    args{"geo:123,123,12x"},
			wantErr: true,
		},
		{
			name:    "Malformed parameter",
			args:    args{"geo:123,123;a=a=a"},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := Parse(tt.args.uri)
			if (err != nil) != tt.wantErr {
				t.Errorf("Parse() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("Parse() = %v, want %v", got, tt.want)
			}
		})
	}
}