package web_test

import (
	"net/http"
	"net/url"
	"strings"
	"testing"

	"github.com/netcell-it/deklarix/internal/rules"
)

func TestAdminRoutesRejectNonAdminWith404(t *testing.T) {
	s, _, cookie := newAuthedTestServer(t, fakeExtractor{})

	for _, path := range []string{"/admin", "/admin/accounts", "/admin/audit-log"} {
		resp := getWithCookie(t, s, cookie, path)
		if resp.Code != http.StatusNotFound {
			t.Errorf("GET %s status = %d, want 404 for a non-admin user", path, resp.Code)
		}
	}
}

func TestAdminRoutesRedirectToLoginWithoutSession(t *testing.T) {
	s, _, _ := newAuthedTestServer(t, fakeExtractor{})

	resp := getWithCookie(t, s, nil, "/admin")
	if resp.Code != http.StatusSeeOther {
		t.Fatalf("status = %d, want 303 redirect to /login", resp.Code)
	}
}

func TestAdminDashboardAccessibleForAdmin(t *testing.T) {
	fs := newFakeStore()
	s := newServer(t, fakeExtractor{}, fs)
	adminCookie := seedAccountWithRole(t, fs, "Deklarix Admin", "admin@example.com", "admin")

	resp := getWithCookie(t, s, adminCookie, "/admin")
	if resp.Code != http.StatusOK {
		t.Fatalf("status = %d, want 200, body: %s", resp.Code, resp.Body.String())
	}
}

func TestAdminAccountListShowsAllAccountsAcrossTenants(t *testing.T) {
	fs := newFakeStore()
	s := newServer(t, fakeExtractor{}, fs)
	adminCookie := seedAccountWithRole(t, fs, "Deklarix Admin", "admin@example.com", "admin")
	seedAccount(t, fs, "Mandant A", "a@example.com")
	seedAccount(t, fs, "Mandant B", "b@example.com")

	resp := getWithCookie(t, s, adminCookie, "/admin/accounts")
	if resp.Code != http.StatusOK {
		t.Fatalf("status = %d, body: %s", resp.Code, resp.Body.String())
	}
	body := resp.Body.String()
	for _, want := range []string{"Mandant A", "Mandant B", "Deklarix Admin"} {
		if !strings.Contains(body, want) {
			t.Errorf("expected %q in the admin account list, got: %s", want, body)
		}
	}
}

func TestAdminAccountDetailShowsUsersAndVerifyToggleOnlyForKanzlei(t *testing.T) {
	fs := newFakeStore()
	s := newServer(t, fakeExtractor{}, fs)
	adminCookie := seedAccountWithRole(t, fs, "Deklarix Admin", "admin@example.com", "admin")

	creatorCookie := seedAccount(t, fs, "Nur Creator", "creator@example.com")
	_ = creatorCookie
	var creatorAccID string
	for id, acc := range fs.accounts {
		if acc.Name == "Nur Creator" {
			creatorAccID = id
		}
	}

	kanzleiCookie := seedAccountWithRole(t, fs, "Kanzlei Musterfrau", "kanzlei@example.com", "kanzlei")
	_ = kanzleiCookie
	var kanzleiAccID string
	for id, acc := range fs.accounts {
		if acc.Name == "Kanzlei Musterfrau" {
			kanzleiAccID = id
		}
	}

	creatorResp := getWithCookie(t, s, adminCookie, "/admin/accounts/"+creatorAccID)
	if creatorResp.Code != http.StatusOK {
		t.Fatalf("status = %d", creatorResp.Code)
	}
	if strings.Contains(creatorResp.Body.String(), "verifizieren") {
		t.Errorf("expected no verify action for a non-kanzlei account, got: %s", creatorResp.Body.String())
	}

	kanzleiResp := getWithCookie(t, s, adminCookie, "/admin/accounts/"+kanzleiAccID)
	if kanzleiResp.Code != http.StatusOK {
		t.Fatalf("status = %d", kanzleiResp.Code)
	}
	if !strings.Contains(kanzleiResp.Body.String(), "kanzlei@example.com") {
		t.Errorf("expected the kanzlei user's email on the account detail page, got: %s", kanzleiResp.Body.String())
	}
	if !strings.Contains(kanzleiResp.Body.String(), "/admin/accounts/"+kanzleiAccID+"/verifizieren") {
		t.Errorf("expected a verify action for a kanzlei account, got: %s", kanzleiResp.Body.String())
	}
}

func TestAdminVerifyAddsAccountToPublicDirectoryAndAuditLog(t *testing.T) {
	fs := newFakeStore()
	s := newServer(t, fakeExtractor{}, fs)
	adminCookie := seedAccountWithRole(t, fs, "Deklarix Admin", "admin@example.com", "admin")
	seedAccountWithRole(t, fs, "Kanzlei Musterfrau", "kanzlei@example.com", "kanzlei")

	var kanzleiAccID string
	for id, acc := range fs.accounts {
		if acc.Name == "Kanzlei Musterfrau" {
			kanzleiAccID = id
		}
	}

	// Vor der Freigabe taucht die Kanzlei nicht im oeffentlichen
	// Verzeichnis auf.
	before := getWithCookie(t, s, nil, "/kanzleien")
	if strings.Contains(before.Body.String(), "Kanzlei Musterfrau") {
		t.Fatalf("kanzlei should not be public before verification, got: %s", before.Body.String())
	}

	verifyResp := postForm(t, s, adminCookie, "/admin/accounts/"+kanzleiAccID+"/verifizieren", url.Values{"verified": {"true"}})
	if verifyResp.Code != http.StatusSeeOther {
		t.Fatalf("verify status = %d, want 303, body: %s", verifyResp.Code, verifyResp.Body.String())
	}

	after := getWithCookie(t, s, nil, "/kanzleien")
	if !strings.Contains(after.Body.String(), "Kanzlei Musterfrau") {
		t.Fatalf("expected the kanzlei to be listed publicly after verification, got: %s", after.Body.String())
	}

	if len(fs.auditLog) != 1 {
		t.Fatalf("expected exactly one audit entry, got %d", len(fs.auditLog))
	}
	if fs.auditLog[0].Action != "account.verified" || fs.auditLog[0].TargetID != kanzleiAccID {
		t.Errorf("unexpected audit entry: %+v", fs.auditLog[0])
	}

	auditPageResp := getWithCookie(t, s, adminCookie, "/admin/audit-log")
	if !strings.Contains(auditPageResp.Body.String(), "account.verified") {
		t.Errorf("expected the audit entry on the audit log page, got: %s", auditPageResp.Body.String())
	}
}

func TestAdminVerifyRejectsNonAdmin(t *testing.T) {
	fs := newFakeStore()
	s := newServer(t, fakeExtractor{}, fs)
	tenantCookie := seedAccountWithRole(t, fs, "Kanzlei Musterfrau", "kanzlei@example.com", "kanzlei")

	var kanzleiAccID string
	for id, acc := range fs.accounts {
		if acc.Name == "Kanzlei Musterfrau" {
			kanzleiAccID = id
		}
	}

	resp := postForm(t, s, tenantCookie, "/admin/accounts/"+kanzleiAccID+"/verifizieren", url.Values{"verified": {"true"}})
	if resp.Code != http.StatusNotFound {
		t.Fatalf("status = %d, want 404 for a non-admin actor", resp.Code)
	}
	if fs.accounts[kanzleiAccID].Verified {
		t.Fatal("account should not have been verified by a non-admin request")
	}
}

func TestPublicKanzleiDirectoryRequiresNoLogin(t *testing.T) {
	s, _, _ := newAuthedTestServer(t, fakeExtractor{facts: rules.Facts{Platform: "instagram"}})

	req := getWithCookie(t, s, nil, "/kanzleien")
	if req.Code != http.StatusOK {
		t.Fatalf("status = %d, want 200 without any session", req.Code)
	}
}