package api

import (
	"encoding/json"
	"net/http"
	"testing"
)

func seedTenantWithOwner(fs *fakeStore) {
	fs.clients = []ClientRow{{ID: "client-acme", Slug: "acme", Name: "Acme Retail", Active: true}}
	fs.addUser("owner@acme.com", "correct horse battery", UserRecord{
		ID: "u-owner", ClientID: "client-acme", Role: "owner", Active: true, Email: "owner@acme.com",
	})
}

func TestSuspendingACompanyEndsItsSessionsNow(t *testing.T) {
	s, fs := newServer(t)
	seedPlatformAdmin(fs)
	seedTenantWithOwner(fs)
	owner := login(t, s, "owner@acme.com", "correct horse battery")
	admin := login(t, s, "root@loyaly.ai", "admin123")

	rec := do(t, s, "PATCH", "/api/admin/clients/client-acme", admin.Token, map[string]any{"active": false})
	if rec.Code != http.StatusOK {
		t.Fatalf("got %d: %s", rec.Code, rec.Body.String())
	}
	var out struct {
		SessionsRevoked int `json:"sessions_revoked"`
	}
	_ = json.Unmarshal(rec.Body.Bytes(), &out)
	if out.SessionsRevoked != 1 {
		t.Fatalf("expected the owner's one session revoked, got %d", out.SessionsRevoked)
	}
	// The owner's token stops working immediately, not at expiry.
	if rec := do(t, s, "GET", "/api/team", owner.Token, nil); rec.Code != http.StatusUnauthorized {
		t.Fatalf("suspended tenant's session still works: %d", rec.Code)
	}
}

func TestDeletingACompanyIsATwoStepDecision(t *testing.T) {
	s, fs := newServer(t)
	seedPlatformAdmin(fs)
	seedTenantWithOwner(fs)
	b := &fakeBroker{}
	s.Broker = b
	admin := login(t, s, "root@loyaly.ai", "admin123")

	// Active: refused, whatever the confirmation says.
	rec := do(t, s, "DELETE", "/api/admin/clients/client-acme", admin.Token, map[string]any{"confirm": "acme"})
	if rec.Code != http.StatusConflict {
		t.Fatalf("deleted an active company: %d %s", rec.Code, rec.Body.String())
	}
	do(t, s, "PATCH", "/api/admin/clients/client-acme", admin.Token, map[string]any{"active": false})
	// Suspended but the slug is wrong: refused.
	rec = do(t, s, "DELETE", "/api/admin/clients/client-acme", admin.Token, map[string]any{"confirm": "acm"})
	if rec.Code != http.StatusBadRequest {
		t.Fatalf("deleted without the slug: %d %s", rec.Code, rec.Body.String())
	}
	rec = do(t, s, "DELETE", "/api/admin/clients/client-acme", admin.Token, map[string]any{"confirm": "acme"})
	if rec.Code != http.StatusOK {
		t.Fatalf("got %d: %s", rec.Code, rec.Body.String())
	}
	if len(fs.clients) != 0 {
		t.Fatal("company row survived")
	}
	if len(b.deleted) != 1 || b.deleted[0] != "acme.shop1" {
		t.Fatalf("broker logins not removed: %v", b.deleted)
	}
}

func TestAdminResetsTheOwnersPasswordAndItIsShownOnce(t *testing.T) {
	s, fs := newServer(t)
	seedPlatformAdmin(fs)
	seedTenantWithOwner(fs)
	admin := login(t, s, "root@loyaly.ai", "admin123")

	rec := do(t, s, "POST", "/api/admin/clients/client-acme/owner-password", admin.Token, nil)
	if rec.Code != http.StatusOK {
		t.Fatalf("got %d: %s", rec.Code, rec.Body.String())
	}
	var out struct{ Email, Password string }
	_ = json.Unmarshal(rec.Body.Bytes(), &out)
	if out.Email != "owner@acme.com" || out.Password == "" {
		t.Fatalf("unexpected result: %s", rec.Body.String())
	}
	if rec := do(t, s, "POST", "/api/auth/login", "", map[string]string{"email": "owner@acme.com", "password": "correct horse battery"}); rec.Code != http.StatusUnauthorized {
		t.Fatalf("old password still works: %d", rec.Code)
	}
	login(t, s, "owner@acme.com", out.Password)
}

func TestATenantUserCannotReachTheAdminClientRoutes(t *testing.T) {
	s, fs := newServer(t)
	seedTenantWithOwner(fs)
	owner := login(t, s, "owner@acme.com", "correct horse battery")
	for _, c := range []struct{ method, path string }{
		{"PATCH", "/api/admin/clients/client-acme"},
		{"POST", "/api/admin/clients/client-acme/owner-password"},
		{"DELETE", "/api/admin/clients/client-acme"},
	} {
		if rec := do(t, s, c.method, c.path, owner.Token, map[string]any{"active": false, "confirm": "acme"}); rec.Code != http.StatusNotFound {
			t.Errorf("%s %s: tenant user got %d, want 404", c.method, c.path, rec.Code)
		}
	}
}

func TestAnOwnerRemovesAnEmptyShopButNotOneWithCameras(t *testing.T) {
	s, fs := newServer(t)
	b := &fakeBroker{}
	s.Broker = b
	seedTenantWithOwner(fs)
	fs.sites = []SiteHealth{
		{SiteID: "site-empty", Slug: "empty", Name: "Empty"},
		{SiteID: siteA, Slug: "chennai", Name: "TeNext Chennai"},
	}
	fs.cameras = []Camera{{ID: "c1", SiteID: siteA, CameraID: "entrance"}}
	owner := login(t, s, "owner@acme.com", "correct horse battery")

	if rec := do(t, s, "DELETE", "/api/sites/chennai", owner.Token, nil); rec.Code != http.StatusConflict {
		t.Fatalf("removed a shop with a camera: %d %s", rec.Code, rec.Body.String())
	}
	if rec := do(t, s, "DELETE", "/api/sites/empty", owner.Token, nil); rec.Code != http.StatusNoContent {
		t.Fatalf("got %d: %s", rec.Code, rec.Body.String())
	}
	if len(b.deleted) != 1 {
		t.Fatalf("broker login not removed: %v", b.deleted)
	}
}