Send emails with Zig

zig fetch --save https://github.com/Apollo-Deploy/signal-sdks/releases/download/v4.0.1/apollo-signal-zig-4.0.1.tar.gz

const std = @import("std");
const signal = @import("apollo_signal");

pub fn sendEmail(
    allocator: std.mem.Allocator,
    io: std.Io,
    api_key: []const u8,
) !void {
    const authorization = try std.fmt.allocPrint(
        allocator,
        "Bearer {s}",
        .{api_key},
    );
    defer allocator.free(authorization);

    const headers = [_]signal.Header{
        .{ .name = "Authorization", .value = authorization },
    };
    var client = signal.Client.init(.{
        .allocator = allocator,
        .io = io,
        .default_headers = &headers,
    });
    defer client.deinit();

    var recipients = [_][]const u8{"alex@example.com"};
    var emails = client.emails();
    var result = try emails.sendEmail(.{
        .from = "auth@mail.company.com",
        .to = &recipients,
        .subject = "Reset your password",
        .text = "Use the secure link in your account to choose a new password.",
    }, .{});
    defer result.deinit();

    switch (result) {
        .success => |email| std.debug.print("{s}\n", .{email.value.id}),
        .api_error => return error.SignalApiError,
    }
}