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#include <math.h>
#include <time.h>
#include "core.hpp"
const string LOG_FILE_LOCATION = strlit(".\\log.gtl");
const string DB_FILE_LOCATION = strlit(".\\db.gtd");
struct GymLogDbHeader {
uint32 nextId;
};
struct GymLogDbEntry {
uint32 id;
uint32 nameLength;
};
struct GymLogDbParsedEntry {
uint32 id;
string name;
};
struct GymLogDbParsed {
GymLogDbHeader header;
list<GymLogDbParsedEntry> entries;
};
struct GymLogEntry {
uint64 timestamp;
uint32 exerciseId;
union {
struct WeightReps {
uint8 reps;
real32 weight;
} weightRepsInfo;
};
};
GymLogDbParsed *parseDb(Arena *arena, string database) {
GymLogDbParsed *dbParsed = PushStruct(arena, GymLogDbParsed);
GymLogDbHeader *header = (GymLogDbHeader *)database.str;
dbParsed->header = *header;
size_t head = sizeof(GymLogDbHeader);
uint32 entriesLeft = header->nextId - 1;
dbParsed->entries = PushList(arena, GymLogDbParsedEntry, entriesLeft);
while (entriesLeft > 0 && head < database.length) {
GymLogDbEntry *currentEntry = (GymLogDbEntry *)((byte *)database.str + head);
GymLogDbParsedEntry parsedEntry = { currentEntry->id, PushString(arena, currentEntry->nameLength) };
head += sizeof(GymLogDbEntry);
memcpy(parsedEntry.name.str, database.str + head, currentEntry->nameLength);
appendList(&dbParsed->entries, parsedEntry);
head += currentEntry->nameLength;
}
return dbParsed;
}
int gymTrackerWorkForExercise(Arena *arena, uint32 exerciseId) {
int statusCode = 0;
string logfile = readEntireFile(arena, LOG_FILE_LOCATION);
if (logfile.length % sizeof(GymLogEntry) != 0) {
puts("Log file corrupted.");
statusCode = 1;
} else {
size_t entryCount = logfile.length / sizeof(GymLogEntry);
int currentDay = 0;
int currentYear = 0;
list<GymLogEntry> logEntries = { (GymLogEntry *)logfile.str, entryCount, entryCount };
tm todayTs = {0};
time_t todayUnix = getSystemUnixTime();
gmtime_s(&todayTs, (time_t *)&todayUnix);
real32 work = 0;
for (EachIn(logEntries, i)) {
GymLogEntry logEntry = logEntries.data[i];
tm logTs = {0};
gmtime_s(&logTs, (time_t *)&logEntry.timestamp);
if (logTs.tm_yday == todayTs.tm_yday && todayTs.tm_year == logTs.tm_year) {
work += logEntry.weightRepsInfo.weight * logEntry.weightRepsInfo.reps;
}
}
printf("Total work for this exercise today:\n%.2f J * m/ex\n", work);
}
return statusCode;
}
int gymTrackerStatus(Arena *arena, list<string> args) {
int statusCode = 0;
string file = readEntireFile(arena, LOG_FILE_LOCATION);
GymLogDbParsed *db = parseDb(arena, readEntireFile(arena, DB_FILE_LOCATION));
if (file.length % sizeof(GymLogEntry) != 0) {
puts("Log file corrupted.");
statusCode = 1;
} else {
tm stopTs = {0};
if (args.length > 0 && strEql(args.data[0], strlit("--today"))) {
time_t todayUnix = getSystemUnixTime();
gmtime_s(&stopTs, (time_t *)&todayUnix);
} else if (args.length > 1 && strEql(args.data[0], strlit("--days")) || strEql(args.data[0], strlit("-d"))) {
size_t l;
int numDays = parsePositiveInt(args.data[1], &l);
if (numDays == -1) {
puts("Bad argument for --days parameter.");
statusCode = 1;
} else {
uint64 todayUnix = getSystemUnixTime();
time_t stopUnix = (time_t)(todayUnix - numDays * 24 * 60 * 60);
gmtime_s(&stopTs, (time_t *)&stopUnix);
}
}
if (statusCode == 0) {
size_t entryCount = file.length / sizeof(GymLogEntry);
int currentDay = -1;
int currentYear = -1;
list<GymLogEntry> logEntries = { (GymLogEntry *)file.str, entryCount, entryCount };
list<real32> workPerExerciseByDay = PushFullList(arena, real32, db->header.nextId);
list<string> nameByExercise = PushFullList(arena, string, db->header.nextId);
zeroListFull(&workPerExerciseByDay);
zeroListFull(&nameByExercise);
int dayCount = 0;
tm timestamp = {0};
if (logEntries.length > 0) {
gmtime_s(&timestamp, (time_t *)&logEntries.data[logEntries.length - 1].timestamp);
}
for (EachInReversed(logEntries, i)) {
GymLogEntry entry = logEntries.data[i];
if (timestamp.tm_yday != currentDay || timestamp.tm_year != currentYear) {
if (timestamp.tm_year < stopTs.tm_year || timestamp.tm_yday < stopTs.tm_yday) {
break;
}
if (dayCount > 0) {
puts("");
}
printf("--- %s ---\n", cstring(arena, formatTimeYmd(arena, &timestamp)));
currentDay = timestamp.tm_yday;
currentYear = timestamp.tm_year;
dayCount++;
}
workPerExerciseByDay.data[entry.exerciseId] += entry.weightRepsInfo.reps * entry.weightRepsInfo.weight;
char *format;
if (entry.weightRepsInfo.weight == (int32)entry.weightRepsInfo.weight) {
format = "%s: %s, %.0fkg X %i\n";
} else {
format = "%s: %s, %.2fkg X %i\n";
}
string *exerciseName = &(nameByExercise.data[entry.exerciseId]);
if (exerciseName->str == 0) {
for (EachIn(db->entries, j)) {
GymLogDbParsedEntry dbEntry = db->entries.data[j];
if (dbEntry.id == entry.exerciseId) {
*exerciseName = dbEntry.name;
}
}
}
printf(format,
cstring(arena, formatTimeHms(arena, &timestamp)),
exerciseName->str ? cstring(arena, *exerciseName) : "unknown-exercise",
entry.weightRepsInfo.weight,
entry.weightRepsInfo.reps);
if (i > 0) {
gmtime_s(&timestamp, (time_t *)&logEntries.data[i - 1].timestamp);
}
if (i == 0 || timestamp.tm_yday != currentDay || timestamp.tm_year != currentYear) {
puts("");
puts("Work summary:");
for (size_t j = 0; j < workPerExerciseByDay.length; j++) {
if (workPerExerciseByDay.data[j] != 0.0f) {
printf("%s: %.2f J * m/ex\n", cstring(arena, nameByExercise.data[j]), workPerExerciseByDay.data[j]);
}
}
zeroListFull(&workPerExerciseByDay);
}
}
}
}
return statusCode;
}
// Syntax: do <exercise-name> weightKg reps
int gymTrackerDo(Arena *arena, list<string> args) {
int statusCode = 0;
string newExerciseName = {0};
if (args.length < 3 || args.data[0].length == 0) {
printf("Invalid exercise name and/or number of arguments.");
statusCode = 1;
} else {
newExerciseName = args.data[0];
}
GymLogDbParsedEntry *existingEntry = 0;
if (statusCode == 0) {
GymLogDbParsed *db = parseDb(arena, readEntireFile(arena, DB_FILE_LOCATION));
for (EachIn(db->entries, i)) {
GymLogDbParsedEntry entry = db->entries.data[i];
if (strEql(entry.name, newExerciseName)) {
existingEntry = &entry;
break;
}
}
if (!existingEntry) {
statusCode = 1;
}
}
if (statusCode == 0) {
uint32 exerciseId = existingEntry->id;
size_t parsedCount = 0;
real32 kg = parsePositiveReal32(arena, args.data[1], &parsedCount);
uint8 reps = parsePositiveInt(args.data[2], &parsedCount);
if (parsedCount == 0 || kg == NAN || reps == 0 || kg == 0) {
printf("Invalid reps or weight input.");
statusCode = 1;
} else {
GymLogEntry entry = {
getSystemUnixTime(),
exerciseId,
reps,
kg,
};
fileAppend(arena, LOG_FILE_LOCATION, (byte *)&entry, sizeof(entry));
statusCode = gymTrackerWorkForExercise(arena, exerciseId);
}
}
return statusCode;
}
int gymTrackerAddExercise(Arena *arena, list<string> args) {
int statusCode = 0;
string newExerciseName = args.data[0];
if (newExerciseName.length == 0) {
printf("No exercise name provided.");
statusCode = 1;
}
if (statusCode != 1) {
string databaseLocation = DB_FILE_LOCATION;
string database = readEntireFile(arena, databaseLocation);
byte *buf = 0;
size_t newEntryStartIndex = 0;
if (database.length == 0) {
// Initialise DB
newEntryStartIndex = sizeof(GymLogDbHeader);
buf = PushArray(arena, byte, sizeof(GymLogDbHeader) + sizeof(GymLogDbEntry) + newExerciseName.length);
GymLogDbHeader *header = (GymLogDbHeader *)buf;
header->nextId = 1;
} else {
// Validate entry not already present
bool invalid = false;
GymLogDbHeader *header = (GymLogDbHeader *)database.str;
size_t head = sizeof(GymLogDbHeader);
uint32 entriesLeft = header->nextId - 1;
while (entriesLeft > 0 && head < database.length) {
GymLogDbEntry *currentEntry = (GymLogDbEntry *)((byte *)database.str + head);
head += sizeof(GymLogDbEntry);
string entryName = {(char *)((byte *)database.str + head), currentEntry->nameLength };
if (strEql(entryName, newExerciseName)) {
invalid = true;
printf("Exercise \"%s\" already registered (entry #%i)\n", cstring(arena, entryName), currentEntry->id);
break;
}
head += currentEntry->nameLength;
}
if (!invalid) {
newEntryStartIndex = database.length;
buf = PushArray(arena, byte, database.length + sizeof(GymLogDbEntry) + newExerciseName.length);
memcpy(buf, database.str, database.length);
} else {
statusCode = 1;
}
}
if (statusCode != 1) {
// Add entry
GymLogDbHeader *header = (GymLogDbHeader *)buf;
GymLogDbEntry *entry = (GymLogDbEntry *)(buf + newEntryStartIndex);
entry->id = header->nextId;
entry->nameLength = (uint32)newExerciseName.length;
header->nextId++;
byte *newExerciseNameDb = buf + newEntryStartIndex + sizeof(GymLogDbEntry);
memcpy(newExerciseNameDb, newExerciseName.str, newExerciseName.length);
size_t bufSize = newEntryStartIndex + sizeof(GymLogDbEntry) + newExerciseName.length;
writeEntireFile(arena, databaseLocation, buf, bufSize);
}
}
return statusCode;
}
int main(int argc, char **argv) {
Arena *arena = arenaAlloc(Megabytes(64));
list<string> args = getArgs(arena, argc, argv);
int statusCode = 0;
if (args.length < 1) {
puts("At least one arg is required.");
statusCode = 1;
}
if (statusCode == 0) {
if (strEql(args.data[0], strlit("status"))) {
statusCode = gymTrackerStatus(arena, listSlice(args, 1));
} else if (strEql(args.data[0], strlit("do"))) {
statusCode = gymTrackerDo(arena, listSlice(args, 1));
} else if (strEql(args.data[0], strlit("add"))) {
statusCode = gymTrackerAddExercise(arena, listSlice(args, 1));
} else {
printf("Unknown command \"%s\"", cstring(arena, args.data[0]));
statusCode = 1;
}
}
return statusCode;
}