refactor to use app package instead of service

refactor app to be composable

internal/app/options.go

@@ -0,0 +1,68 @@
+package app
+
+import (
+	"context"
+	"log/slog"
+	"os"
+
+	"github.com/LazyBachelor/LazyPM/internal/models"
+)
+
+type Option func(*AppBuilder) error
+
+type AppBuilder struct {
+	config Config
+	ctx    context.Context
+
+	logger      *slog.Logger
+	lifecycle   *Lifecycle
+	initializer Initializer
+
+	issueService models.IssueService
+	statsService models.StatsService
+}
+
+func defaultBuilder(ctx context.Context, config Config) *AppBuilder {
+	return &AppBuilder{
+		ctx:         ctx,
+		config:      config,
+		lifecycle:   NewLifecycle(),
+		initializer: &InteractiveInitializer{},
+		logger:      slog.New(slog.NewJSONHandler(os.Stdout, nil)),
+	}
+}
+
+func WithLogger(logger *slog.Logger) Option {
+	return func(b *AppBuilder) error {
+		b.logger = logger
+		return nil
+	}
+}
+
+func WithInitializer(initializer Initializer) Option {
+	return func(b *AppBuilder) error {
+		b.initializer = initializer
+		return nil
+	}
+}
+
+func WithLifecycle(l *Lifecycle) Option {
+	return func(b *AppBuilder) error {
+		b.lifecycle = l
+		return nil
+	}
+}
+
+func WithIssueService(svc models.IssueService) Option {
+	return func(b *AppBuilder) error {
+		b.issueService = svc
+		return nil
+	}
+}
+
+func WithStatsService(svc models.StatsService) Option {
+	return func(b *AppBuilder) error {
+		b.statsService = svc
+		return nil
+	}
+}