package cmd

import (
	"errors"
	"testing"

	"github.com/Pingu-Studio/MaidnCLI/internal/config"
)

func TestAppOnboardValidatesConfigBeforeInspectingCheckout(t *testing.T) {
	originalConfig, originalResolve, originalClean := loadFreshConfig, resolveAppOnboarding, ensureOnboardCheckoutClean
	originalConfigPath, originalFrom := onboardConfigPath, onboardFrom
	t.Cleanup(func() {
		loadFreshConfig = originalConfig
		resolveAppOnboarding = originalResolve
		ensureOnboardCheckoutClean = originalClean
		onboardConfigPath, onboardFrom = originalConfigPath, originalFrom
	})
	loadFreshConfig = func(string) (config.Config, error) { return config.Config{}, nil }
	resolveAppOnboarding = func(config.Config) (config.Config, error) { return config.Config{}, errors.New("incomplete delivery") }
	ensureOnboardCheckoutClean = func(string) error {
		t.Fatal("onboarding inspected checkout before validating config")
		return nil
	}
	onboardConfigPath, onboardFrom = "private.yaml", "app-checkout"
	if err := runAppOnboard(nil, nil); err == nil {
		t.Fatal("onboarding accepted invalid configuration")
	}
}

func TestAppOnboardScaffoldsOnlyTheValidatedCheckout(t *testing.T) {
	originalConfig, originalResolve, originalClean := loadFreshConfig, resolveAppOnboarding, ensureOnboardCheckoutClean
	originalOrigin, originalBranch, originalGenerate := onboardCheckoutOrigin, onboardCheckoutBranch, generateAppDelivery
	originalConfigPath, originalFrom := onboardConfigPath, onboardFrom
	t.Cleanup(func() {
		loadFreshConfig, resolveAppOnboarding, ensureOnboardCheckoutClean = originalConfig, originalResolve, originalClean
		onboardCheckoutOrigin, onboardCheckoutBranch, generateAppDelivery = originalOrigin, originalBranch, originalGenerate
		onboardConfigPath, onboardFrom = originalConfigPath, originalFrom
	})
	cfg := config.Config{Delivery: config.DeliveryConfig{AppRepoURL: "https://git.example.test/new-org/app.git", AppRepoRef: "main"}}
	loadFreshConfig = func(string) (config.Config, error) { return cfg, nil }
	resolveAppOnboarding = func(config.Config) (config.Config, error) { return cfg, nil }
	ensureOnboardCheckoutClean = func(path string) error {
		if path != "app-checkout" {
			t.Fatal("onboarding checked the wrong checkout")
		}
		return nil
	}
	onboardCheckoutOrigin = func(string) (string, error) { return cfg.Delivery.AppRepoURL, nil }
	onboardCheckoutBranch = func(string) (string, error) { return cfg.Delivery.AppRepoRef, nil }
	generations := 0
	generateAppDelivery = func(path string, got config.Config) error {
		if path != "app-checkout" || got.Delivery.AppRepoURL != cfg.Delivery.AppRepoURL {
			t.Fatal("onboarding generated delivery for the wrong checkout or config")
		}
		generations++
		return nil
	}
	onboardConfigPath, onboardFrom = "private.yaml", "app-checkout"
	if err := runAppOnboard(nil, nil); err != nil || generations != 1 {
		t.Fatalf("runAppOnboard() = %v, generations = %d", err, generations)
	}
}