const std = @import("std");
const pages = @import("pages.zig");

pub fn main(init: std.process.Init) !void {
    const sources_dir = try std.Io.Dir.cwd().createDirPathOpen(init.io, "src", .{});
    defer sources_dir.close(init.io);
    const out_dir = try std.Io.Dir.cwd().createDirPathOpen(init.io, "html-out", .{});
    defer out_dir.close(init.io);

    const templates_dir = try sources_dir.createDirPathOpen(init.io, "templates", .{ .open_options = .{ .iterate = true } });
    defer templates_dir.close(init.io);

    const pages_dir = try sources_dir.createDirPathOpen(init.io, "pages", .{ .open_options = .{ .iterate = true } });
    defer pages_dir.close(init.io);

    const static_dir = try sources_dir.createDirPathOpen(init.io, "static", .{ .open_options = .{ .iterate = true } });
    defer static_dir.close(init.io);
    try copyStaticFiles(init.io, init.gpa, static_dir, out_dir);
}

fn copyStaticFiles(io: std.Io, ally: std.mem.Allocator, sources: std.Io.Dir, out: std.Io.Dir) !void {
    var walker = try sources.walk(ally);
    defer walker.deinit();
    while (try walker.next(io)) |entry| {
        switch (entry.kind) {
            .file, .sym_link => {
                std.debug.print("Copying static file {s}...\n", .{entry.path});
                try entry.dir.copyFile(entry.basename, out, entry.basename, io, .{});
            },

            .directory => {
                const new_out = try out.createDirPathOpen(io, entry.basename, .{ .open_options = .{ .iterate = true } });
                defer new_out.close(io);
                try copyStaticFiles(io, ally, sources, out);
            },

            else => {},
        }
    }
}