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.

internal/util/cli/project.go

@@ -0,0 +1,70 @@
+package cli_util
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/juls0730/flux/pkg"
+	"github.com/juls0730/flux/pkg/API"
+)
+
+type Project struct {
+	Id   string `json:"id"`
+	Name string `json:"name"`
+}
+
+func GetProject(command string, args []string, config pkg.CLIConfig) (*Project, error) {
+	var projectName string
+
+	// we are in a project directory and the project is deployed
+	if _, err := os.Stat(".fluxid"); err == nil {
+		id, err := os.ReadFile(".fluxid")
+		if err != nil {
+			return nil, fmt.Errorf("failed to read .fluxid: %v", err)
+		}
+
+		app, err := GetRequest[API.App](config.DaemonURL + "/app/by-id/" + string(id))
+		if err != nil {
+			return nil, fmt.Errorf("failed to get app: %v", err)
+		}
+
+		return &Project{
+			Id:   app.Id.String(),
+			Name: app.Name,
+		}, nil
+	}
+
+	// we are calling flux from a project directory, but the project isnt deployed yet
+	if len(args) == 0 {
+		if _, err := os.Stat("flux.json"); err != nil {
+			return nil, fmt.Errorf("the current directory is not a flux project, please run flux %[1]s in the project directory", command)
+		}
+
+		fluxConfigFile, err := os.Open("flux.json")
+		if err != nil {
+			return nil, fmt.Errorf("failed to open flux.json: %v", err)
+		}
+		defer fluxConfigFile.Close()
+
+		var config pkg.ProjectConfig
+		if err := json.NewDecoder(fluxConfigFile).Decode(&config); err != nil {
+			return nil, fmt.Errorf("failed to decode flux.json: %v", err)
+		}
+
+		projectName = config.Name
+	} else {
+		projectName = args[0]
+	}
+
+	// we are calling flux with a project name (ie `flux start my-project`)
+	app, err := GetRequest[API.App](config.DaemonURL + "/app/by-name/" + projectName)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get app: %v", err)
+	}
+
+	return &Project{
+		Id:   app.Id.String(),
+		Name: app.Name,
+	}, nil
+}