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package tle

import (
	"encoding/json"
	"fmt"
	"os"
	"reflect"
	"strings"
	"testing"
)

func ExampleNewTLE() {
	var RawTLE = `ISS (ZARYA)             
1 25544U 98067A   19229.39083552  .00000228  00000-0  11917-4 0  9993
2 25544  51.6447  57.6210 0007373 294.0868 138.8050 15.50381554184754`

	TLE, err := NewTLE(RawTLE)
	if err != nil {
		fmt.Println(err)
	}

	// convert the TLE to json
	b, err := json.MarshalIndent(TLE, "", " ")
	if err != nil {
		fmt.Println("error: ", err)
	}
	_, err = os.Stdout.Write(b)
	if err != nil {
		fmt.Println("error: ", err)
	}

	// Output:
	// {
	//  "titleline": {
	//   "satname": "ISS (ZARYA)             "
	//  },
	//  "lineone": {
	//   "linenumber": 1,
	//   "satellitenumber": 25544,
	//   "classification": "U",
	//   "internationaldesignator": {
	//    "launchyear": 98,
	//    "launchnumber": 67,
	//    "launchpiece": "A"
	//   },
	//   "epoch": {
	//    "year": 19,
	//    "dayfraction": 229.39083552
	//   },
	//   "firstderiv": 0.00000228,
	//   "secondderiv": 0,
	//   "BSTAR": 0.000011917,
	//   "numberzero": 0,
	//   "elementesetnumber": 999,
	//   "checksum": 3
	//  },
	//  "linetwo": {
	//   "linenumber": 2,
	//   "satellitenumber": 25544,
	//   "inclination": 51.6447,
	//   "rightascensionoftheascendingnode": 57.621,
	//   "eccentricity": 7373,
	//   "argumentofperigee": 294.0868,
	//   "meananomaly": 138.805,
	//   "meanmotion": 15.50381554,
	//   "revolutionnumberatepoch": 18475,
	//   "checksum": 4
	//  }
	//}
}

func TestNewTLE(t *testing.T) {
	type args struct {
		RawTLE string
	}
	tests := []struct {
		name    string
		args    args
		want    TLE
		wantErr bool
	}{
		{
			name: "ISS (ZARYA)             ",
			args: args{
				RawTLE: `ISS (ZARYA)                                 
1 25544U 98067A   19229.39083552  .00000228  00000-0  11917-4 0  9993
2 25544  51.6447  57.6210 0007373 294.0868 138.8050 15.50381554184754`,
			},
			want: TLE{
				TitleLine: TitleLine{
					Satname: "ISS (ZARYA)             ",
				},
				LineOne: LineOne{
					Linenumber:      1,
					SatelliteNumber: 25544,
					Classification:  "U",
					InternationalDesignator: InternationalDesignator{
						Launchyear:   98,
						Launchnumber: 67,
						Launchpiece:  "A",
					},
					Epoch: Epoch{
						Year:        19,
						Dayfraction: 229.39083552,
					},
					Firstderiv:       0.00000228,
					Secondderiv:      0,
					BSTAR:            0.000011917,
					Numberzero:       0,
					ElementSetNumber: 999,
					Checksum:         3,
				},
				LineTwo: LineTwo{
					Linenumber:                       2,
					SatelliteNumber:                  25544,
					Inclination:                      51.6447,
					RightAscensionOfTheAscendingNode: 57.621,
					Eccentricity:                     7373,
					ArgumentOfPerigee:                294.0868,
					MeanAnomaly:                      138.805,
					MeanMotion:                       15.50381554,
					RevolutionNumberAtEpoch:          18475,
					Checksum:                         4,
				},
			},
			wantErr: false,
		},
		{
			name: "ALTAIR PATHFINDER       ",
			args: args{
				RawTLE: `ALTAIR PATHFINDER                           
1 42711U 98067LS  19228.69980992  .00034716  00000-0  14927-3 0  9996
2 42711  51.6342 342.8763 0003425 355.3059   4.7912 15.84686251128432`,
			},
			want: TLE{
				TitleLine: TitleLine{
					Satname: "ALTAIR PATHFINDER       ",
				},
				LineOne: LineOne{
					Linenumber:      1,
					SatelliteNumber: 42711,
					Classification:  "U",
					InternationalDesignator: InternationalDesignator{
						Launchyear:   98,
						Launchnumber: 67,
						Launchpiece:  "LS",
					},
					Epoch: Epoch{
						Year:        19,
						Dayfraction: 228.69980992,
					},
					Firstderiv:       0.00034716,
					Secondderiv:      0,
					BSTAR:            0.00014927,
					Numberzero:       0,
					ElementSetNumber: 999,
					Checksum:         6,
				},
				LineTwo: LineTwo{
					Linenumber:                       2,
					SatelliteNumber:                  42711,
					Inclination:                      51.6342,
					RightAscensionOfTheAscendingNode: 342.8763,
					Eccentricity:                     3425,
					ArgumentOfPerigee:                355.3059,
					MeanAnomaly:                      4.7912,
					MeanMotion:                       15.84686251,
					RevolutionNumberAtEpoch:          12843,
					Checksum:                         2,
				},
			},
			wantErr: false,
		},
		{
			name: "CALSPHERE 1             ",
			args: args{
				RawTLE: `CALSPHERE 1                                                                       
1 00900U 64063C   19230.92310804  .00000183  00000-0  18763-3 0  9990
2 00900  90.1493  23.5442 0025413 246.1721 230.7950 13.73262737728795`,
			},
			want: TLE{
				TitleLine: TitleLine{
					Satname: "CALSPHERE 1             ",
				},
				LineOne: LineOne{
					Linenumber:      1,
					SatelliteNumber: 900,
					Classification:  "U",
					InternationalDesignator: InternationalDesignator{
						Launchyear:   64,
						Launchnumber: 63,
						Launchpiece:  "C",
					},
					Epoch: Epoch{
						Year:        19,
						Dayfraction: 230.92310804,
					},
					Firstderiv:       0.00000183,
					Secondderiv:      0,
					BSTAR:            0.00018763,
					Numberzero:       0,
					ElementSetNumber: 999,
					Checksum:         0,
				},
				LineTwo: LineTwo{
					Linenumber:                       2,
					SatelliteNumber:                  900,
					Inclination:                      90.1493,
					RightAscensionOfTheAscendingNode: 23.5442,
					Eccentricity:                     25413,
					ArgumentOfPerigee:                246.1721,
					MeanAnomaly:                      230.795,
					MeanMotion:                       13.73262737,
					RevolutionNumberAtEpoch:          72879,
					Checksum:                         5,
				},
			},
			wantErr: false,
		},
		{
			name: "NewTLE parseLineOne err",
			args: args{
				RawTLE: `NOAA 1 [-]                                                   
a 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne satellite number error",
			args: args{
				RawTLE: `NOAA 1 [-]                                                   
1 0aaa3U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
a 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne LaunchYear",
			args: args{
				RawTLE: `NOAA 1 [-]                                                             
1 04793U aa106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne LaunchNumber",
			args: args{
				RawTLE: `NOAA 1 [-]                          
1 04793U 70aaaA   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne Epoch Year",
			args: args{
				RawTLE: `NOAA 1 [-]                          
1 04793U 70106A   aa240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne Epoch Day Fraction",
			args: args{
				RawTLE: `NOAA 1 [-]                      
1 04793U 70106A   19aaaaaaaaa470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne Raw First Deriv",
			args: args{
				RawTLE: `NOAA 1 [-]                      
1 04793U 70106A   19240.84692470 -.0aaaa044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne Second Deriv Base",
			args: args{
				RawTLE: `NOAA 1 [-]                         
1 04793U 70106A   19240.84692470 -.00000044  00aaa-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne Second Deriv Power",
			args: args{
				RawTLE: `NOAA 1 [-]                            
1 04793U 70106A   19240.84692470 -.00000044  00000-a  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne BSTARBase",
			args: args{
				RawTLE: `NOAA 1 [-]                        
1 04793U 70106A   19240.84692470 -.00000044  00000-0  4aaa4-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne BSTARPower",
			args: args{
				RawTLE: `NOAA 1 [-]                                                
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-a 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne ElementSetNumber",
			args: args{
				RawTLE: `NOAA 1 [-]                        
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  aa95
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne Number Zero",
			args: args{
				RawTLE: `NOAA 1 [-]                                
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 a  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineOne Checksum",
			args: args{
				RawTLE: `NOAA 1 [-]                           
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  999a
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo LineTwoNumber",
			args: args{
				RawTLE: `NOAA 1 [-]                            
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
a 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo SatelliteNumer",
			args: args{
				RawTLE: `NOAA 1 [-]
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 aaaaa 101.6989 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo RawInclination",
			args: args{
				RawTLE: `NOAA 1 [-]                             
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 10aaaa89 308.4654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo RightascensionOfTheAscendingNode",
			args: args{
				RawTLE: `NOAA 1 [-]                               
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 3aaaa654 0032091 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo Eccentricity",
			args: args{
				RawTLE: `NOAA 1 [-]                               
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 00aaaa1 148.0366 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo ArgumentOfPerigee",
			args: args{
				RawTLE: `NOAA 1 [-]                              
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 14aaaa66 326.6117 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo MeanAnomaly",
			args: args{
				RawTLE: `NOAA 1 [-]                             
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 32aaaa17 12.53991010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo MeanMotion",
			args: args{
				RawTLE: `NOAA 1 [-]                                  
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 1aaaaaaa010229282`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo RevolutionNumberAtEpoch",
			args: args{
				RawTLE: `NOAA 1 [-]                                  
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.539910102aaaa2`,
			},
			want:    TLE{},
			wantErr: true,
		},
		{
			name: "NewTLE parseLineTwo ChecksumLineTwo",
			args: args{
				RawTLE: `NOAA 1 [-]                                                                           
1 04793U 70106A   19240.84692470 -.00000044  00000-0  47034-5 0  9995
2 04793 101.6989 308.4654 0032091 148.0366 326.6117 12.5399101022928a`,
			},
			want:    TLE{},
			wantErr: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := NewTLE(tt.args.RawTLE)
			if (err != nil) != tt.wantErr {
				t.Errorf("NewTLE() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("NewTLE() got = %v\n,......................... want %v", got, tt.want)
			}
		})
	}
}

func BenchmarkNewTLE(b *testing.B) {
	RawTLE := `CALSPHERE 1                  
1 00900U 64063C   19230.92310804  .00000183  00000-0  18763-3 0  9990
2 00900  90.1493  23.5442 0025413 246.1721 230.7950 13.73262737728795`

	for i := 0; i < b.N; i++ {
		_, _ = NewTLE(RawTLE)
	}
}

func BenchmarkParseLineOne(b *testing.B) {
	RawTLE := `CALSPHERE 1                  
1 00900U 64063C   19230.92310804  .00000183  00000-0  18763-3 0  9990
2 00900  90.1493  23.5442 0025413 246.1721 230.7950 13.73262737728795`

	var SplitTLE = strings.Split(RawTLE, "\n")

	for i := 0; i < b.N; i++ {
		_, _ = parseLineOne(SplitTLE)
	}
}

func BenchmarkParseLineTwo(b *testing.B) {
	RawTLE := `CALSPHERE 1                  
1 00900U 64063C   19230.92310804  .00000183  00000-0  18763-3 0  9990
2 00900  90.1493  23.5442 0025413 246.1721 230.7950 13.73262737728795`

	var SplitTLE = strings.Split(RawTLE, "\n")

	for i := 0; i < b.N; i++ {
		_, _ = parseLineTwo(SplitTLE)
	}
}