a2: implement fasting science screen

1 files changed, 145 insertions, 3 deletions

diff --git a/src/c/fastforge.c b/src/c/fastforge.c
index da74496..ca0fd59 100644
--- a/src/c/fastforge.c
+++ b/src/c/fastforge.c
@@ -42,6 +42,7 @@ static Window *s_menu_window;
 static Window *s_timer_window;
 static Window *s_goal_window;
 static Window *s_presets_window;
+static Window *s_science_window;
 static Window *s_stats_window;
 static Window *s_detail_window;
 static Window *s_history_window;
@@ -69,6 +70,10 @@ static TextLayer *s_goal_time_layer;
 static TextLayer *s_goal_stage_layer;
 static TextLayer *s_goal_hint_layer;
 
+static TextLayer *s_science_title_layer;
+static TextLayer *s_science_timeline_layer;
+static TextLayer *s_science_showdown_layer;
+static TextLayer *s_science_hint_layer;
 static TextLayer *s_placeholder_title_layer;
 static TextLayer *s_placeholder_body_layer;
 static TextLayer *s_placeholder_hint_layer;
@@ -93,6 +98,9 @@ static char s_detail_text[48];
 static char s_stage_text[32];
 static char s_goal_time_text[24];
 static char s_goal_stage_text[24];
+static char s_science_timeline_text[192];
+static char s_science_showdown_text[160];
+static char s_science_hint_text[80];
 static char s_menu_stop_subtitle[32];
 static char s_placeholder_title_text[24];
 static char s_placeholder_body_text[160];
@@ -124,6 +132,7 @@ static void sync_main_menu_state(void);
 static void refresh_stats_window_content(void);
 static void history_menu_reload(void);
 static void refresh_running_edit_window_content(void);
+static void refresh_science_window_content(void);
 static void recompute_streak_data_from_history(void);
 static time_t entry_duration_seconds(const FastEntry *entry);
 static void recompute_streak_data_for_today(void);
@@ -692,6 +701,34 @@ static void show_placeholder_window(const char *title, const char *body, const c
   }
 }
 
+static void set_science_content(void) {
+  snprintf(s_science_timeline_text, sizeof(s_science_timeline_text),
+           "0h Fed  4h insulin drop\n"
+           "8h Glycogen drop  12h fat burn\n"
+           "18h Ketones rise  24h deep keto\n"
+           "36h+ Adaptation peaks");
+  snprintf(s_science_showdown_text, sizeof(s_science_showdown_text),
+           "5x20h = 100h/wk\n"
+           "2x24h+2x18h = 84h/wk\n"
+           "20h wins consistency.\n"
+           "24h anchor fits the mixed plan.");
+  snprintf(s_science_hint_text, sizeof(s_science_hint_text),
+           "SELECT 20h plan\nDOWN 24h anchor  BACK Menu");
+}
+
+static void refresh_science_window_content(void) {
+  set_science_content();
+  if (s_science_timeline_layer) {
+    text_layer_set_text(s_science_timeline_layer, s_science_timeline_text);
+  }
+  if (s_science_showdown_layer) {
+    text_layer_set_text(s_science_showdown_layer, s_science_showdown_text);
+  }
+  if (s_science_hint_layer) {
+    text_layer_set_text(s_science_hint_layer, s_science_hint_text);
+  }
+}
+
 static int progress_width_for_elapsed(time_t elapsed_seconds, uint32_t total_seconds, int width) {
   if (width <= 0 || total_seconds == 0 || elapsed_seconds <= 0) {
     return 0;
@@ -871,6 +908,21 @@ static void start_fast_from_preset(uint16_t target_minutes, const char *label) {
   refresh_all_ui_state();
 }
 
+static void start_fast_from_science_preset(uint16_t target_minutes) {
+  if (!fast_start(target_minutes)) {
+    show_placeholder_window("FAST RUNNING",
+                            "Stop the current fast before starting a new one.",
+                            "BACK Menu");
+    return;
+  }
+
+  if (window_stack_contains_window(s_science_window)) {
+    window_stack_remove(s_science_window, false);
+  }
+  safe_push_window(s_timer_window, true);
+  refresh_all_ui_state();
+}
+
 static uint16_t history_menu_get_num_sections(MenuLayer *menu_layer, void *data) {
   (void)menu_layer;
   (void)data;
@@ -1215,9 +1267,8 @@ static void menu_statistics_callback(int index, void *context) {
 static void menu_science_callback(int index, void *context) {
   (void)index;
   (void)context;
-  show_placeholder_window("FASTING SCIENCE",
-                          "Screen pending.\nTimeline + protocol comparison will live here.",
-                          "BACK Menu");
+  refresh_science_window_content();
+  safe_push_window(s_science_window, true);
 }
 
 static void menu_settings_callback(int index, void *context) {
@@ -1337,6 +1388,32 @@ static void placeholder_dismiss_handler(ClickRecognizerRef recognizer, void *con
   window_stack_remove(s_detail_window, true);
 }
 
+static void science_select_click_handler(ClickRecognizerRef recognizer, void *context) {
+  (void)recognizer;
+  (void)context;
+  start_fast_from_science_preset(20 * 60);
+}
+
+static void science_down_click_handler(ClickRecognizerRef recognizer, void *context) {
+  (void)recognizer;
+  (void)context;
+  start_fast_from_science_preset(24 * 60);
+}
+
+static void science_back_click_handler(ClickRecognizerRef recognizer, void *context) {
+  (void)recognizer;
+  (void)context;
+  window_stack_remove(s_science_window, true);
+}
+
+static void science_click_config_provider(void *context) {
+  (void)context;
+  window_single_click_subscribe(BUTTON_ID_SELECT, science_select_click_handler);
+  window_single_click_subscribe(BUTTON_ID_DOWN, science_down_click_handler);
+  window_single_click_subscribe(BUTTON_ID_BACK, science_back_click_handler);
+  window_single_click_subscribe(BUTTON_ID_UP, science_back_click_handler);
+}
+
 static void placeholder_click_config_provider(void *context) {
   (void)context;
   window_single_click_subscribe(BUTTON_ID_SELECT, placeholder_dismiss_handler);
@@ -1715,6 +1792,62 @@ static void stats_window_appear(Window *window) {
   refresh_stats_window_content();
 }
 
+static void science_window_load(Window *window) {
+  Layer *window_layer = window_get_root_layer(window);
+  GRect bounds = layer_get_bounds(window_layer);
+
+  s_science_title_layer = text_layer_create(GRect(0, 4, bounds.size.w, 24));
+  text_layer_set_background_color(s_science_title_layer, GColorClear);
+  text_layer_set_text_color(s_science_title_layer, GColorBlack);
+  text_layer_set_text_alignment(s_science_title_layer, GTextAlignmentCenter);
+  text_layer_set_font(s_science_title_layer, fonts_get_system_font(FONT_KEY_GOTHIC_24_BOLD));
+  text_layer_set_text(s_science_title_layer, "FASTING SCIENCE");
+
+  s_science_timeline_layer = text_layer_create(GRect(4, 28, bounds.size.w - 8, 56));
+  text_layer_set_background_color(s_science_timeline_layer, GColorClear);
+  text_layer_set_text_color(s_science_timeline_layer, GColorBlack);
+  text_layer_set_text_alignment(s_science_timeline_layer, GTextAlignmentLeft);
+  text_layer_set_overflow_mode(s_science_timeline_layer, GTextOverflowModeWordWrap);
+  text_layer_set_font(s_science_timeline_layer, fonts_get_system_font(FONT_KEY_GOTHIC_14));
+
+  s_science_showdown_layer = text_layer_create(GRect(4, 84, bounds.size.w - 8, 54));
+  text_layer_set_background_color(s_science_showdown_layer, GColorClear);
+  text_layer_set_text_color(s_science_showdown_layer, GColorBlack);
+  text_layer_set_text_alignment(s_science_showdown_layer, GTextAlignmentLeft);
+  text_layer_set_overflow_mode(s_science_showdown_layer, GTextOverflowModeWordWrap);
+  text_layer_set_font(s_science_showdown_layer, fonts_get_system_font(FONT_KEY_GOTHIC_14_BOLD));
+
+  s_science_hint_layer = text_layer_create(GRect(0, 140, bounds.size.w, 28));
+  text_layer_set_background_color(s_science_hint_layer, GColorClear);
+  text_layer_set_text_color(s_science_hint_layer, GColorBlack);
+  text_layer_set_text_alignment(s_science_hint_layer, GTextAlignmentCenter);
+  text_layer_set_overflow_mode(s_science_hint_layer, GTextOverflowModeWordWrap);
+  text_layer_set_font(s_science_hint_layer, fonts_get_system_font(FONT_KEY_GOTHIC_14_BOLD));
+
+  layer_add_child(window_layer, text_layer_get_layer(s_science_title_layer));
+  layer_add_child(window_layer, text_layer_get_layer(s_science_timeline_layer));
+  layer_add_child(window_layer, text_layer_get_layer(s_science_showdown_layer));
+  layer_add_child(window_layer, text_layer_get_layer(s_science_hint_layer));
+  refresh_science_window_content();
+}
+
+static void science_window_unload(Window *window) {
+  (void)window;
+  text_layer_destroy(s_science_title_layer);
+  s_science_title_layer = NULL;
+  text_layer_destroy(s_science_timeline_layer);
+  s_science_timeline_layer = NULL;
+  text_layer_destroy(s_science_showdown_layer);
+  s_science_showdown_layer = NULL;
+  text_layer_destroy(s_science_hint_layer);
+  s_science_hint_layer = NULL;
+}
+
+static void science_window_appear(Window *window) {
+  (void)window;
+  refresh_science_window_content();
+}
+
 static void detail_window_load(Window *window) {
   Layer *window_layer = window_get_root_layer(window);
   GRect bounds = layer_get_bounds(window_layer);
@@ -1905,6 +2038,14 @@ static void init_windows(void) {
     .unload = stats_window_unload
   });
 
+  s_science_window = window_create();
+  window_set_click_config_provider(s_science_window, science_click_config_provider);
+  window_set_window_handlers(s_science_window, (WindowHandlers) {
+    .load = science_window_load,
+    .appear = science_window_appear,
+    .unload = science_window_unload
+  });
+
   s_detail_window = window_create();
   window_set_click_config_provider(s_detail_window, placeholder_click_config_provider);
   window_set_window_handlers(s_detail_window, (WindowHandlers) {
@@ -1915,6 +2056,7 @@ static void init_windows(void) {
 
 static void destroy_windows(void) {
   window_destroy(s_detail_window);
+  window_destroy(s_science_window);
   window_destroy(s_stats_window);
   window_destroy(s_running_edit_window);
   window_destroy(s_history_edit_window);