File size: 7,259 Bytes
35527e2
 
 
f63ce21
35527e2
 
 
 
 
 
 
 
f63ce21
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
35527e2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
f63ce21
 
 
 
 
 
 
 
 
 
 
 
35527e2
 
 
 
 
f63ce21
35527e2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
import Papa from 'papaparse';
import type { Activity } from '@/types';
import { calculateTSS } from './tssCalculator';
import { validateCSV } from './csvValidator';

export function parseCSV(file: File, userFTP: number = 343): Promise<Activity[]> {
    return new Promise((resolve, reject) => {
        Papa.parse(file, {
            header: true,
            skipEmptyLines: true,
            complete: (results) => {
                try {
                    // Validate CSV structure first
                    const validation = validateCSV(results.data);

                    if (!validation.isValid) {
                        const errorMessage = [
                            'CSV Validation Failed:',
                            '',
                            ...validation.errors.map(err => `❌ ${err}`),
                            ...(validation.warnings.length > 0 ? ['', 'Warnings:', ...validation.warnings.map(warn => `⚠️ ${warn}`)] : []),
                        ].join('\n');
                        reject(new Error(errorMessage));
                        return;
                    }

                    // Log warnings to console if any
                    if (validation.warnings.length > 0) {
                        console.warn('CSV Validation Warnings:', validation.warnings);
                    }

                    const activities = results.data.map((row: any) => {
                        // Parse date - Garmin format: "2025-12-02 09:19:49"
                        const dateStr = row['Date'] || row['Activity Date'] || row['date'];
                        if (!dateStr || dateStr === '--') {
                            return null;
                        }
                        const date = new Date(dateStr);
                        if (isNaN(date.getTime())) {
                            return null;
                        }

                        // Parse distance - Garmin format: "8.34" (in km)
                        let distance: number | undefined;
                        const distanceStr = row['Distance'] || row['distance'];
                        if (distanceStr && distanceStr !== '--' && distanceStr !== '0.00') {
                            const parsed = parseFloat(distanceStr.replace(/,/g, ''));
                            if (!isNaN(parsed) && parsed > 0) {
                                distance = parsed;
                            }
                        }

                        // Parse duration - Garmin format: "00:48:51" (HH:MM:SS)
                        let duration: number | undefined;
                        let durationSeconds: number | undefined;
                        const durationStr = row['Time'] || row['Duration'] || row['Moving Time'] || row['Elapsed Time'];
                        if (durationStr && durationStr !== '--') {
                            if (durationStr.includes(':')) {
                                const parts = durationStr.split(':');
                                const hours = parseInt(parts[0]) || 0;
                                const minutes = parseInt(parts[1]) || 0;
                                const seconds = parseFloat(parts[2]) || 0;
                                duration = hours * 60 + minutes + seconds / 60;
                                durationSeconds = hours * 3600 + minutes * 60 + seconds;
                            } else {
                                const parsed = parseFloat(durationStr);
                                if (!isNaN(parsed)) {
                                    duration = parsed;
                                    durationSeconds = parsed * 60; // Assume minutes if no colon
                                }
                            }
                        }

                        // Parse TSS - Try to calculate from power data first
                        let trainingStressScore: number | undefined;

                        // First, check if TSS is already provided in CSV
                        const tssStr = row['Training Stress Score®'] || row['Training Stress Score'] || row['TSS'];
                        if (tssStr && tssStr !== '--' && tssStr !== '0.0' && tssStr !== '0') {
                            const parsed = parseFloat(tssStr);
                            if (!isNaN(parsed) && parsed > 0) {
                                trainingStressScore = parsed;
                            }
                        }

                        // If no TSS provided, try to calculate from power data
                        if (!trainingStressScore && durationSeconds) {
                            // Parse Normalized Power (NP) - find column that starts with "Normalized Power"
                            let normalizedPower: number | undefined;
                            const npKey = Object.keys(row).find(key => key.startsWith('Normalized Power'));
                            if (npKey) {
                                const npStr = row[npKey];
                                if (npStr && npStr !== '--' && npStr !== '0.0' && npStr !== '0') {
                                    normalizedPower = parseFloat(npStr);
                                    if (isNaN(normalizedPower) || normalizedPower <= 0) {
                                        normalizedPower = undefined;
                                    }
                                }
                            }

                            // Use FTP from CSV if available, otherwise use user-provided FTP
                            const ftpStr = row['FTP'] || row['Functional Threshold Power'];
                            const ftp = ftpStr && ftpStr !== '--' ? parseFloat(ftpStr) : userFTP;

                            if (normalizedPower && normalizedPower > 0 && ftp && ftp > 0) {
                                const calculatedTSS = calculateTSS({
                                    durationSeconds,
                                    normalizedPower,
                                    ftp,
                                });
                                if (calculatedTSS !== undefined) {
                                    trainingStressScore = calculatedTSS;
                                }
                            }
                        }

                        // Get activity type
                        const activityType = row['Activity Type'] || row['Type'] || row['Sport'];

                        const activity: Activity = {
                            date,
                            activityType,
                            distance,
                            duration,
                            trainingStressScore,
                        };

                        return activity;
                    }).filter((activity): activity is Activity => activity !== null);

                    // Sort by date
                    activities.sort((a, b) => a.date.getTime() - b.date.getTime());

                    resolve(activities);
                } catch (error) {
                    reject(new Error('Failed to parse CSV data'));
                }
            },
            error: (error) => {
                reject(new Error(`CSV parsing error: ${error.message}`));
            },
        });
    });
}