package blog_test

import (
	"os"
	"path/filepath"
	"slices"
	"testing"

	"git.golem15.com/golem15/summercms/docs/examples/blog"
	"git.golem15.com/golem15/summercms/docs/examples/blog/models"
	"git.golem15.com/golem15/summercms/modules/backpack"
	"git.golem15.com/golem15/summercms/modules/bonfire"
	"git.golem15.com/golem15/summercms/modules/compass"
	"git.golem15.com/golem15/summercms/modules/pact"
	"git.golem15.com/golem15/summercms/modules/party"
	"git.golem15.com/golem15/summercms/modules/surf"
)

// activate boots acme.blog the way the generated main does: an application
// config directory with the required HTTP limits and admin secret, then
// party.Activate with the plugin ID.
func activate(t *testing.T) (*backpack.App, party.Plugin) {
	t.Helper()
	dir := t.TempDir()
	httpYAML := "body_limits:\n  default_bytes: 1048576\n  upload_bytes: 10485760\n"
	if err := os.WriteFile(filepath.Join(dir, "http.yaml"), []byte(httpYAML), 0o644); err != nil {
		t.Fatal(err)
	}
	cfg, err := compass.Open(compass.Options{Dir: dir, Env: "testing", Environ: []string{}})
	if err != nil {
		t.Fatal(err)
	}
	// The admin controller makes the admin API mount, which needs a secret.
	if err := cfg.Set("admin.jwt.secret", "test-only-secret-with-at-least-32-bytes"); err != nil {
		t.Fatal(err)
	}
	app := backpack.New(cfg)
	plugins, err := party.Activate(app, []string{"acme.blog"})
	if err != nil {
		t.Fatalf("Activate: %v", err)
	}
	if len(plugins) != 1 {
		t.Fatalf("Activate returned %d plugins, want 1", len(plugins))
	}
	return app, plugins[0]
}

func TestPluginActivates(t *testing.T) {
	app, p := activate(t)
	if p.ID() != "acme.blog" {
		t.Fatalf("ID = %q, want acme.blog", p.ID())
	}
	if _, ok := p.(*blog.Plugin); !ok {
		t.Fatalf("activated plugin is %T, want *blog.Plugin", p)
	}
	if len(p.Requires()) != 0 {
		t.Errorf("Requires = %v, want none", p.Requires())
	}
	if _, ok := p.(pact.HasRoutes); !ok {
		t.Error("plugin does not implement pact.HasRoutes")
	}
	if _, ok := p.(pact.HasConfig); !ok {
		t.Error("plugin does not implement pact.HasConfig")
	}
	if _, ok := p.(pact.HasLang); !ok {
		t.Error("plugin does not implement pact.HasLang")
	}
	hasModels, ok := p.(pact.HasModels)
	if !ok {
		t.Fatal("plugin does not implement pact.HasModels")
	}
	if got := hasModels.Models(); len(got) != 1 {
		t.Errorf("Models = %v, want one model", got)
	} else if _, ok := got[0].(*models.Post); !ok {
		t.Errorf("Models()[0] is %T, want *models.Post", got[0])
	}
	hasMigrations, ok := p.(pact.HasMigrations)
	if !ok {
		t.Fatal("plugin does not implement pact.HasMigrations")
	}
	if len(hasMigrations.Migrations()) == 0 {
		t.Error("Migrations is empty")
	}
	hasCommands, ok := p.(pact.HasCommands)
	if !ok {
		t.Fatal("plugin does not implement pact.HasCommands")
	}
	if !slices.ContainsFunc(hasCommands.Commands(), func(c bonfire.Command) bool { return c.Name == "blog:publish" }) {
		t.Error("Commands does not include blog:publish")
	}
	hasAdmin, ok := p.(pact.HasAdminControllers)
	if !ok {
		t.Fatal("plugin does not implement pact.HasAdminControllers")
	}
	if ctls := hasAdmin.AdminControllers(); len(ctls) != 1 || ctls[0].ID() != "acme.blog.posts" {
		t.Errorf("AdminControllers = %v, want acme.blog.posts", ctls)
	}
	if _, ok := p.(pact.AdminAssets); !ok {
		t.Error("plugin does not implement pact.AdminAssets")
	}
	if got := app.Config.Int("acme.blog.per_page"); got != 15 {
		t.Errorf("acme.blog.per_page = %d, want the plugin default 15", got)
	}
}

func TestRoutesRegistered(t *testing.T) {
	app, p := activate(t)
	router, err := surf.BuildRouter(app, []party.Plugin{p})
	if err != nil {
		t.Fatalf("BuildRouter: %v", err)
	}
	routes := router.Routes()
	found := slices.ContainsFunc(routes, func(r surf.RouteInfo) bool {
		return r.Method == "GET" && r.Pattern == "/api/blog/posts" && r.PluginID == "acme.blog"
	})
	if !found {
		t.Fatalf("GET /api/blog/posts is not registered for acme.blog: %+v", routes)
	}
}