package routes_test

import (
	"net/http"
	"os"
	"strconv"
	"strings"
	"testing"

	"doormile/db"
	"doormile/internal/testpg"
	"doormile/models"
	"doormile/utils"
)

// A client (tenant) login can open the console's Fleet Ops menu, so every
// create/edit/delete behind it, and every internal list, must refuse a client
// token on the server, not just be hidden in the UI.
var staffOnlyFleetRoutes = []struct{ method, path string }{
	{http.MethodPost, "/api/v1/admin/tenants"},
	{http.MethodGet, "/api/v1/admin/users"},
	{http.MethodPost, "/api/v1/admin/users"},
	{http.MethodPut, "/api/v1/admin/users/1"},
	{http.MethodDelete, "/api/v1/admin/users/1"},
	{http.MethodPost, "/api/v1/admin/hubs"},
	{http.MethodPut, "/api/v1/admin/hubs/1"},
	{http.MethodDelete, "/api/v1/admin/hubs/1"},
	{http.MethodPost, "/api/v1/admin/vehicles"},
	{http.MethodPut, "/api/v1/admin/vehicles/1"},
	{http.MethodDelete, "/api/v1/admin/vehicles/1"},
	{http.MethodGet, "/api/v1/admin/tripsheets"},
	{http.MethodPost, "/api/v1/admin/tripsheets"},
	{http.MethodGet, "/api/v1/admin/tripsheets/1"},
	{http.MethodPost, "/api/v1/admin/tripsheets/1/items"},
	{http.MethodDelete, "/api/v1/admin/tripsheets/1/items/1"},
	{http.MethodPut, "/api/v1/admin/tripsheets/1/dispatch"},
	{http.MethodPut, "/api/v1/admin/tripsheets/1/arrive"},
	{http.MethodGet, "/api/v1/admin/competitor-branches"},
	{http.MethodPost, "/api/v1/admin/competitor-branches"},
	{http.MethodPut, "/api/v1/admin/competitor-branches/1"},
	{http.MethodDelete, "/api/v1/admin/competitor-branches/1"},
	{http.MethodGet, "/api/v1/admin/carrier-pricing"},
	{http.MethodPost, "/api/v1/admin/carrier-pricing"},
	{http.MethodPut, "/api/v1/admin/carrier-pricing/1"},
	{http.MethodDelete, "/api/v1/admin/carrier-pricing/1"},
	{http.MethodPost, "/api/v1/admin/exceptions"},
	{http.MethodPut, "/api/v1/admin/exceptions/1/status"},
}

func TestFleetOpsWritesRefuseAClientLogin(t *testing.T) {
	app := onboardingApp()
	client := consoleToken(t, "ops@client.test", 3, 42)
	for _, r := range staffOnlyFleetRoutes {
		code, body := do(t, app, r.method, r.path, client, `{}`)
		if code != http.StatusForbidden || !strings.Contains(body, "Doormile staff only") {
			t.Errorf("%s %s as a client = %d %s, want 403", r.method, r.path, code, body)
		}
	}
}

func TestFleetOpsGuardsLetStaffThrough(t *testing.T) {
	app := onboardingApp()
	staff := consoleToken(t, "ops@doormile.com", 1, 0)
	for _, r := range staffOnlyFleetRoutes {
		// Past the guard the handler runs (and, with no database, may fail);
		// all that matters here is that the guard did not refuse.
		func() {
			defer func() { _ = recover() }()
			if code, body := do(t, app, r.method, r.path, staff, `{}`); strings.Contains(body, "Doormile staff only") {
				t.Errorf("%s %s as staff = %d %s, the guard refused", r.method, r.path, code, body)
			}
		}()
	}
}

// Hubs are scoped to the client's own city, from the server. Postgres-gated
// like the other route tests; the DSN must be a THROWAWAY database.
func TestClientSeesOnlyItsOwnCityHubs(t *testing.T) {
	dsn := os.Getenv("REGISTRY_TEST_DSN")
	if dsn == "" {
		t.Skip("REGISTRY_TEST_DSN not set; skipping Postgres hub scoping test")
	}
	gdb := testpg.Open(t, dsn, "client_fleetops_routes_test")
	all := []any{&models.Hub{}, &models.AppUser{}, &models.AppLocation{}}
	if err := gdb.Migrator().DropTable(all...); err != nil {
		t.Fatal(err)
	}
	if err := gdb.AutoMigrate(all...); err != nil {
		t.Fatal(err)
	}
	prev := db.DB
	db.DB = gdb
	t.Cleanup(func() { db.DB = prev })

	gdb.Create(&models.AppLocation{Applocationid: 1, Applocationname: "Coimbatore", Status: "Active"})
	gdb.Create(&models.AppLocation{Applocationid: 2, Applocationname: "Chennai", Status: "Active"})
	cbe := models.Hub{Hubname: "Coimbatore Neptune Hub", Hubtype: "delivery_hub", Applocationid: 1, Status: "Active"}
	chn := models.Hub{Hubname: "Chennai Guindy Hub", Hubtype: "delivery_hub", Applocationid: 2, Status: "Active"}
	gdb.Create(&cbe)
	gdb.Create(&chn)
	withCity := models.AppUser{Authname: "Priya", Email: "ops@peelamedu.test", Contactno: "9876543210", Password: "x", Roleid: 3, Applocationid: 1}
	noCity := models.AppUser{Authname: "Nocity", Email: "ops@nocity.test", Contactno: "9876543211", Password: "x", Roleid: 3}
	gdb.Create(&withCity)
	gdb.Create(&noCity)

	app := onboardingApp()
	mint := func(uid int, email string, tenant int) string {
		tok, err := utils.GenerateToken(uid, email, 3, tenant, 1, jwtSecret)
		if err != nil {
			t.Fatal(err)
		}
		return tok
	}
	client := mint(withCity.Userid, withCity.Email, 42)

	code, body := do(t, app, http.MethodGet, "/api/v1/admin/hubs", client, "")
	if code != 200 || !strings.Contains(body, "Coimbatore Neptune Hub") || strings.Contains(body, "Chennai Guindy Hub") {
		t.Fatalf("client hub list = %d %s, want Coimbatore only", code, body)
	}
	// Asking for another city by query string changes nothing.
	if _, body := do(t, app, http.MethodGet, "/api/v1/admin/hubs?applocationid=2", client, ""); strings.Contains(body, "Chennai Guindy Hub") {
		t.Fatalf("?applocationid=2 leaked another city: %s", body)
	}
	if code, _ := do(t, app, http.MethodGet, "/api/v1/admin/hubs/"+strconv.Itoa(chn.Hubid), client, ""); code != 404 {
		t.Fatalf("another city's hub detail = %d, want 404", code)
	}
	if code, _ := do(t, app, http.MethodGet, "/api/v1/admin/hubs/"+strconv.Itoa(cbe.Hubid), client, ""); code != 200 {
		t.Fatalf("own city's hub detail = %d, want 200", code)
	}

	// A client with no city on file sees no hubs, never every hub.
	if _, body := do(t, app, http.MethodGet, "/api/v1/admin/hubs", mint(noCity.Userid, noCity.Email, 43), ""); strings.Contains(body, "Hub\"") {
		t.Fatalf("client without a city = %s, want an empty list", body)
	}

	// Staff still see every hub.
	_, body = do(t, app, http.MethodGet, "/api/v1/admin/hubs", consoleToken(t, "ops@doormile.com", 1, 0), "")
	if !strings.Contains(body, "Coimbatore Neptune Hub") || !strings.Contains(body, "Chennai Guindy Hub") {
		t.Fatalf("staff hub list = %s, want both cities", body)
	}
}