Add the files

1 files changed, 62 insertions, 0 deletions

diff --git a/src/detection/weather/weather.c b/src/detection/weather/weather.c
new file mode 100644
index 0000000..69df642
--- /dev/null
+++ b/src/detection/weather/weather.c
@@ -0,0 +1,62 @@
+#include "weather.h"
+#include "common/networking.h"
+
+#define FF_UNITIALIZED ((const char*) (uintptr_t) -1)
+static FFNetworkingState state;
+static const char* status = FF_UNITIALIZED;
+
+void ffPrepareWeather(FFWeatherOptions* options) {
+    if (status != FF_UNITIALIZED) {
+        fputs("Error: Weather module can only be used once due to internal limitations\n", stderr);
+        exit(1);
+    }
+
+    state.timeout = options->timeout;
+
+    FF_STRBUF_AUTO_DESTROY path = ffStrbufCreateS("/");
+    if (options->location.length) {
+        ffStrbufAppend(&path, &options->location);
+    }
+    ffStrbufAppendS(&path, "?format=");
+    ffStrbufAppend(&path, &options->outputFormat);
+    switch (instance.config.display.tempUnit) {
+        case FF_TEMPERATURE_UNIT_CELSIUS:
+            ffStrbufAppendS(&path, "&m");
+            break;
+        case FF_TEMPERATURE_UNIT_FAHRENHEIT:
+            ffStrbufAppendS(&path, "&u");
+            break;
+        default:
+            break;
+    }
+    status = ffNetworkingSendHttpRequest(&state, "wttr.in", path.chars, "User-Agent: curl/0.0.0\r\n");
+}
+
+const char* ffDetectWeather(FFWeatherOptions* options, FFstrbuf* result) {
+    if (status == FF_UNITIALIZED) {
+        ffPrepareWeather(options);
+    }
+
+    if (status != NULL) {
+        return status;
+    }
+
+    ffStrbufEnsureFree(result, 4095);
+    const char* error = ffNetworkingRecvHttpResponse(&state, result);
+
+    state = (FFNetworkingState) {};
+    status = FF_UNITIALIZED;
+
+    if (error == NULL) {
+        ffStrbufSubstrAfterFirstS(result, "\r\n\r\n");
+        ffStrbufTrimRightSpace(result);
+    } else {
+        return error;
+    }
+
+    if (result->length == 0) {
+        return "Empty server response received";
+    }
+
+    return NULL;
+}