From 486628f42e5f9b4ab75f35995bce7b46e49995de Mon Sep 17 00:00:00 2001
From: Ekaitz Zarraga <ekaitz@elenq.tech>
Date: Fri, 1 Dec 2023 20:31:30 +0100
Subject: parameterize location

---
 src/main.zig           |  4 +++-
 src/weatherFetcher.zig | 25 ++++++++++++++++---------
 2 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/src/main.zig b/src/main.zig
index ba479e9..81317f1 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -9,7 +9,9 @@ pub fn main() !void{
     const args = try std.process.argsAlloc(allocator);
     defer std.process.argsFree(allocator, args);
 
-    var daily = try weatherFetcher.getDailyData(allocator);
+    var daily = try weatherFetcher.getDailyData(allocator, weatherFetcher.Location{
+        .lat=52.52, .lon=13.41,
+    });
     defer daily.deinit();
 
     const stdout = std.io.getStdOut().writer();
diff --git a/src/weatherFetcher.zig b/src/weatherFetcher.zig
index be99d5c..42847f9 100644
--- a/src/weatherFetcher.zig
+++ b/src/weatherFetcher.zig
@@ -6,6 +6,10 @@ const expect = std.testing.expect;
 
 const http = @import("./http.zig");
 
+pub const Location = struct {
+    lat: f64,
+    lon: f64,
+};
 
 pub const DailyDataSchema = struct {
     latitude: f64,
@@ -48,19 +52,22 @@ pub const DailyData = struct{
 
 /// Gets Daily Data. Allocates and returns an DailyData struct that must be
 /// .deinit() later
-pub fn getDailyData(allocator: std.mem.Allocator) !DailyData {
+pub fn getDailyData(allocator: std.mem.Allocator, location: Location) !DailyData {
     const stream = try net.tcpConnectToHost(allocator, "api.open-meteo.com", 80);
     defer stream.close();
 
     const writer = stream.writer();
-    try writer.writeAll( "GET /v1/forecast" ++
-                             "?latitude=52.52" ++
-                             "&longitude=13.41" ++
-                             "&hourly=temperature_2m" ++ " HTTP/1.1\r\n" ++
-                         "Host: api.open-meteo.com\r\n" ++
-                         "Connection: keep-alive\r\n" ++
-                         "Accept-Encoding: identity\r\n" ++
-                         "\r\n");
+    const request = try std.fmt.allocPrint(allocator,
+    "GET /v1/forecast" ++
+        "?latitude={d}" ++
+        "&longitude={d}" ++
+        "&hourly=temperature_2m" ++ " HTTP/1.1\r\n" ++
+     "Host: api.open-meteo.com\r\n" ++
+     "Connection: keep-alive\r\n" ++
+     "Accept-Encoding: identity\r\n" ++ "\r\n", .{location.lat, location.lon});
+    defer allocator.free(request);
+
+    try writer.writeAll(request);
     const reader = stream.reader();
 
     var response = try http.HttpResponseParser.init(allocator);
-- 
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