Initial commit

2026-06-23 06:03:19 -07:00
commit fb4753c1f7
31 changed files with 2908 additions and 0 deletions
--- a/main/settings.c
+++ b/main/settings.c
@@ -0,0 +1,129 @@
+#include "settings.h"
+
+#include "esp_log.h"
+#include "nvs.h"
+#include "nvs_flash.h"
+
+static const char *TAG = "settings";
+static const char *NVS_NAMESPACE = "tarot";
+
+static tarot_settings_t s_settings;
+
+void settings_set_defaults(tarot_settings_t *settings)
+{
+    if (settings == NULL) {
+        return;
+    }
+
+    settings->reversed_cards_enabled = true;
+    settings->save_readings_enabled = false;
+    settings->brightness = 80;
+    settings->theme = TAROT_THEME_DARK;
+    settings->selected_spread = TAROT_SPREAD_8_CARD;
+}
+
+esp_err_t settings_init(void)
+{
+    nvs_handle_t handle;
+    esp_err_t err;
+    uint8_t value = 0;
+
+    settings_set_defaults(&s_settings);
+
+    err = nvs_open(NVS_NAMESPACE, NVS_READONLY, &handle);
+    if (err == ESP_ERR_NVS_NOT_FOUND) {
+        ESP_LOGI(TAG, "No saved settings; using defaults");
+        return settings_save(&s_settings);
+    }
+    if (err != ESP_OK) {
+        ESP_LOGE(TAG, "nvs_open failed: %s", esp_err_to_name(err));
+        return err;
+    }
+
+    if (nvs_get_u8(handle, "reversed", &value) == ESP_OK) {
+        s_settings.reversed_cards_enabled = value != 0;
+    }
+    if (nvs_get_u8(handle, "save_read", &value) == ESP_OK) {
+        s_settings.save_readings_enabled = value != 0;
+    }
+    if (nvs_get_u8(handle, "bright", &value) == ESP_OK) {
+        s_settings.brightness = value <= 100 ? value : 100;
+    }
+    if (nvs_get_u8(handle, "theme", &value) == ESP_OK && value <= TAROT_THEME_MYSTIC) {
+        s_settings.theme = (tarot_theme_t)value;
+    }
+    if (nvs_get_u8(handle, "spread", &value) == ESP_OK) {
+        s_settings.selected_spread = value == TAROT_SPREAD_3_CARD ? TAROT_SPREAD_3_CARD : TAROT_SPREAD_8_CARD;
+    }
+
+    nvs_close(handle);
+    return ESP_OK;
+}
+
+tarot_settings_t settings_get(void)
+{
+    return s_settings;
+}
+
+esp_err_t settings_save(const tarot_settings_t *settings)
+{
+    nvs_handle_t handle;
+    esp_err_t err;
+
+    if (settings == NULL) {
+        return ESP_ERR_INVALID_ARG;
+    }
+
+    err = nvs_open(NVS_NAMESPACE, NVS_READWRITE, &handle);
+    if (err != ESP_OK) {
+        ESP_LOGE(TAG, "nvs_open write failed: %s", esp_err_to_name(err));
+        return err;
+    }
+
+    err = nvs_set_u8(handle, "reversed", settings->reversed_cards_enabled ? 1 : 0);
+    if (err != ESP_OK) {
+        goto fail;
+    }
+    err = nvs_set_u8(handle, "save_read", settings->save_readings_enabled ? 1 : 0);
+    if (err != ESP_OK) {
+        goto fail;
+    }
+    err = nvs_set_u8(handle, "bright", settings->brightness);
+    if (err != ESP_OK) {
+        goto fail;
+    }
+    err = nvs_set_u8(handle, "theme", (uint8_t)settings->theme);
+    if (err != ESP_OK) {
+        goto fail;
+    }
+    err = nvs_set_u8(handle, "spread", (uint8_t)settings->selected_spread);
+    if (err != ESP_OK) {
+        goto fail;
+    }
+    err = nvs_commit(handle);
+    if (err != ESP_OK) {
+        goto fail;
+    }
+
+    s_settings = *settings;
+    nvs_close(handle);
+    return ESP_OK;
+
+fail:
+    ESP_LOGE(TAG, "settings_save failed: %s", esp_err_to_name(err));
+    nvs_close(handle);
+    return err;
+}
+
+const char *settings_theme_name(tarot_theme_t theme)
+{
+    switch (theme) {
+    case TAROT_THEME_LIGHT:
+        return "Light";
+    case TAROT_THEME_MYSTIC:
+        return "Mystic";
+    case TAROT_THEME_DARK:
+    default:
+        return "Dark";
+    }
+}