Massive architectural rework

This commit massively overhauls the project's structure to simplify
development. Most parts are now correctly compartmentalized and
dependencies are passed in a sane way rather than global variables
galore xd.

cmd/cli/commands/init.go

@@ -0,0 +1,92 @@
+package commands
+
+import (
+	"bytes"
+	"encoding/json"
+	"flag"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+
+	"github.com/juls0730/flux/pkg"
+)
+
+var initUsage = `Usage:
+  flux init [project-name]
+
+Options:
+  project-name: The name of the project to initialize
+
+Flux will initialize a new project in the current directory or the specified project.`
+
+func InitCommand(ctx CommandCtx, args []string) error {
+	if !ctx.Interactive {
+		return fmt.Errorf("init command can only be run in interactive mode")
+	}
+
+	fs := flag.NewFlagSet("init", flag.ExitOnError)
+	fs.Usage = func() {
+		var buf bytes.Buffer
+		// Redirect flagset to print to buffer instead of stdout
+		fs.SetOutput(&buf)
+		fs.PrintDefaults()
+
+		fmt.Println(initUsage)
+	}
+
+	err := fs.Parse(args)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	args = fs.Args()
+
+	var projectConfig pkg.ProjectConfig
+
+	var response string
+	if len(args) > 1 {
+		response = args[0]
+	} else {
+		fmt.Println("What is the name of your project?")
+		fmt.Scanln(&response)
+	}
+
+	projectConfig.Name = response
+
+	fmt.Println("What URL should your project listen to?")
+	fmt.Scanln(&response)
+	if strings.HasPrefix(response, "http") {
+		response = strings.TrimPrefix(response, "http://")
+		response = strings.TrimPrefix(response, "https://")
+	}
+
+	response = strings.Split(response, "/")[0]
+
+	projectConfig.Url = response
+
+	fmt.Println("What port does your project listen to?")
+	fmt.Scanln(&response)
+	port, err := strconv.ParseUint(response, 10, 16)
+	portErr := fmt.Errorf("that doesnt look like a valid port, try a number between 1024 and 65535")
+	if port > 65535 {
+		return portErr
+	}
+
+	projectConfig.Port = uint16(port)
+	if err != nil || projectConfig.Port < 1024 {
+		return portErr
+	}
+
+	configBytes, err := json.MarshalIndent(projectConfig, "", "    ")
+	if err != nil {
+		return fmt.Errorf("failed to parse project config: %v", err)
+	}
+
+	os.WriteFile("flux.json", configBytes, 0644)
+
+	fmt.Printf("Successfully initialized project %s\n", projectConfig.Name)
+
+	return nil
+}