From 65a426a78658089bbcd4f352507f46796706965f Mon Sep 17 00:00:00 2001
From: Jeeves <guydoodlesdev@gmail.com>
Date: Mon, 25 Mar 2024 15:58:40 -0600
Subject: [PATCH] this ain't it, chief

---
 src/main.zig | 70 ++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 62 insertions(+), 8 deletions(-)

diff --git a/src/main.zig b/src/main.zig
index a017ccc..ad07c31 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -9,28 +9,29 @@ pub fn main() !void {
     defer _ = gpa.deinit();
     const allocator = gpa.allocator();
 
+    const router = BasicRouter.init(allocator);
+    defer router.deinit();
+
     const address = try net.Address.parseIp("0.0.0.0", 8080);
-    var listener = Listener.init(address, allocator, &handler);
+    var listener = Listener.init(address, allocator, &handle);
     defer listener.deinit();
     try listener.listen();
 }
 
-pub fn handler(event: *Listener.Event) anyerror!void {
+pub fn handle(event: *Listener.Event) anyerror!void {
     try event.res.body.appendSlice("hello there");
 }
 
-pub const Router = struct {};
-
 pub const Listener = struct {
     address: net.Address,
     arena: heap.ArenaAllocator,
-    handler: *const fn (event: *Event) anyerror!void,
+    handlerFn: *const fn (event: *Event) anyerror!void,
 
-    pub fn init(address: net.Address, allocator: mem.Allocator, hand: *const fn (event: *Event) anyerror!void) Listener {
+    pub fn init(address: net.Address, allocator: mem.Allocator, handler: *const fn (event: *Event) anyerror!void) Listener {
         return .{
             .address = address,
             .arena = heap.ArenaAllocator.init(allocator),
-            .handler = hand,
+            .handlerFn = handler,
         };
     }
 
@@ -71,7 +72,7 @@ pub const Listener = struct {
             var header_it = req.iterateHeaders();
             while (header_it.next()) |header| try event.req.headers.append(&header);
 
-            try self.handler(&event);
+            try self.handlerFn(&event);
 
             try self.respondFromEvent(&event, &req);
         }
@@ -105,3 +106,56 @@ pub const Listener = struct {
         };
     };
 };
+
+pub const BasicRouter = Router(Listener.Event);
+
+pub fn Router(comptime Context: type) type {
+    return struct {
+        ctx: Context,
+        allocator: mem.Allocator,
+
+        static_routes: std.StringHashMap(*Node),
+
+        pub fn init(allocator: mem.Allocator, ctx: Context) Self {
+            return .{
+                .ctx = ctx,
+                .allocator = allocator,
+                .static_routes = std.StringHashMap(*Node).init(allocator),
+            };
+        }
+
+        pub fn deinit(self: *Self) void {
+            self.static_routes.deinit();
+        }
+
+        pub fn addRoute(self: *Self, path: []const u8, handler: HandlerFn) !void {
+            try self.addStaticRoute(path, handler);
+        }
+
+        fn addStaticRoute(self: *Self, path: []const u8, handler: HandlerFn) !void {
+            try self.static_routes.put(path, .{
+                .type = .normal,
+                .max_depth = 1,
+                .children = std.StringHashMap(*Node).init(self.allocator),
+                .handler = handler,
+                .placeholder_children = std.ArrayList(*Node).init(self.allocator),
+            });
+        }
+
+        pub const Node = struct {
+            type: Type,
+            max_depth: usize, // TODO: what is best here
+            parent: ?*Node = null,
+            children: std.StringHashMap(*Node),
+            handler: HandlerFn,
+            wildcard_child_node: ?*Node = null,
+            placeholder_children: std.ArrayList(*Node),
+
+            pub const Type = enum { normal, wildcard, placeholder };
+        };
+
+        pub const HandlerFn = *const fn (ctx: *Context) anyerror!void;
+
+        const Self = @This();
+    };
+}