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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
#include "fastforge_logic.h"
#ifdef time_t
#undef time_t
#endif
#undef _TIME_H_
#include <time.h>
typedef time_t ff_sys_time_t;
#define time_t long
#include <stdio.h>
#include <stdint.h>
time_t entry_duration_seconds(const FastEntry *entry) {
if (!entry || entry->start_time == 0 || entry->end_time <= entry->start_time) {
return 0;
}
return entry->end_time - entry->start_time;
}
uint8_t stage_level_for_elapsed(time_t elapsed_seconds) {
if (elapsed_seconds >= 24 * 3600) {
return 3;
}
if (elapsed_seconds >= 18 * 3600) {
return 2;
}
if (elapsed_seconds >= 12 * 3600) {
return 1;
}
return 0;
}
const char *stage_text_for_elapsed(time_t elapsed_seconds) {
if (elapsed_seconds >= 24 * 3600) {
return "DEEP KETOSIS";
}
if (elapsed_seconds >= 18 * 3600) {
return "EARLY KETOSIS";
}
if (elapsed_seconds >= 12 * 3600) {
return "FAT BURN";
}
return "GLYCOGEN";
}
void format_hhmmss(time_t seconds, char *buffer, size_t size) {
if (seconds < 0) {
seconds = 0;
}
snprintf(buffer, size, "%02d:%02d:%02d",
(int)(seconds / 3600),
(int)((seconds % 3600) / 60),
(int)(seconds % 60));
}
void format_duration_hours_minutes(time_t seconds, char *buffer, size_t size) {
if (seconds < 0) {
seconds = 0;
}
int hours = (int)(seconds / 3600);
int minutes = (int)((seconds % 3600) / 60);
snprintf(buffer, size, "%dh %02dm", hours, minutes);
}
time_t local_day_start(time_t timestamp) {
if (timestamp <= 0) {
return 0;
}
ff_sys_time_t sys_timestamp = (ff_sys_time_t)timestamp;
struct tm *tm_info = localtime(&sys_timestamp);
if (!tm_info) {
return 0;
}
struct tm tm_copy = *tm_info;
tm_copy.tm_hour = 0;
tm_copy.tm_min = 0;
tm_copy.tm_sec = 0;
tm_copy.tm_isdst = -1;
return (time_t)mktime(&tm_copy);
}
/* Convert a Unix timestamp to a UTC day number (seconds since epoch / 86400).
* Avoids localtime()/mktime() calls that consume significant stack depth. */
static time_t utc_day_number(time_t t) {
return (t > 0) ? (t / 86400) : -1;
}
/* Recompute streak data from a history array sorted by end_time ascending
* (guaranteed by sort_history_by_end_time()).
*
* Uses UTC day numbers via integer division to avoid localtime()/mktime()
* calls — those functions burn stack in the already-deep Pebble call chain
* (app task stack ≈2 KB, typically 1.5 KB consumed by firmware before our
* click handler fires). */
void fastforge_streak_recompute(const FastEntry *entries, int count, time_t now, StreakData *out) {
if (!out) {
return;
}
out->current_streak = 0;
out->longest_streak = 0;
out->last_completed_fast_end = 0;
if (!entries || count <= 0) {
return;
}
time_t prev_day = -1;
uint16_t run_length = 0;
uint16_t longest = 0;
for (int i = 0; i < count; i++) {
const FastEntry *entry = &entries[i];
if (entry_duration_seconds(entry) <= 0 || entry->end_time <= 0) {
continue;
}
if (entry->end_time > out->last_completed_fast_end) {
out->last_completed_fast_end = entry->end_time;
}
time_t day = utc_day_number(entry->end_time);
if (day < 0) {
continue;
}
if (day == prev_day) {
/* Multiple fasts on the same UTC day — count the day only once. */
continue;
}
if (prev_day < 0 || day == prev_day + 1) {
run_length++;
} else {
run_length = 1;
}
if (run_length > longest) {
longest = run_length;
}
prev_day = day;
}
if (run_length == 0) {
return; /* no valid completions */
}
if (longest == 0) {
longest = run_length;
}
/* Current streak is live only if the last completion was today or yesterday. */
time_t today = utc_day_number(now);
if (prev_day == today || prev_day == today - 1) {
out->current_streak = run_length;
}
out->longest_streak = longest;
}
bool running_fast_is_at_target(const FastEntry *entry, time_t now) {
if (!entry || entry->start_time == 0 || entry->end_time != 0 || entry->target_minutes == 0) {
return false;
}
return now >= entry->start_time + (time_t)entry->target_minutes * 60;
}
|
