package httpapi

import (
	"encoding/json"
	"net/http/httptest"
	"strings"
	"testing"
	"time"

	"calllinesystem/server/internal/config"
	"calllinesystem/server/internal/model"
)

func TestDisplayBatchDTOCannotSerializePersonalFields(t *testing.T) {
	batch := model.CallBatch{BatchSequence: 7, Status: "CALLED", CalledAt: time.Unix(100, 0).UTC()}
	view := newDisplayBatchDTO(batch, []displayTicketDTO{{
		TicketNumber: "00042", DisplayNumber: "00042", Status: model.TicketCalled,
	}})
	body, err := json.Marshal(view)
	if err != nil {
		t.Fatal(err)
	}
	encoded := string(body)
	for _, forbidden := range []string{"honorific", "phone", "phone_last4", "last_name", "ticket_id", "joined_at", "created_by"} {
		if strings.Contains(encoded, forbidden) {
			t.Fatalf("public display DTO leaked forbidden field %q: %s", forbidden, encoded)
		}
	}
	if !strings.Contains(encoded, `"ticket_number":"00042"`) {
		t.Fatalf("public ticket number missing: %s", encoded)
	}
}

func TestPublicDisplayProjectViewOnlySerializesDisplayFields(t *testing.T) {
	view := publicDisplayProjectView(map[string]any{
		"id": "project-1", "name": "东门观光车", "status": model.ProjectRunning,
		"waiting_count": 3, "waiting_ticket_count": 3, "waiting_people_count": 7,
		"issued_ticket_count": 15, "latest_ticket_number": "00015", "experienced_people": 12,
		"current_batch":  map[string]any{"tickets": []map[string]any{{"ticket_number": "00013"}}},
		"estimated_wait": map[string]any{"available": true}, "last_updated_at": time.Unix(100, 0).UTC(),
		"phone": "13800138000", "last_name": "张", "visitor_notice": "internal",
		"device_status": map[string]any{"status": "FAILURE"}, "display_token_hash": "secret",
	})
	body, err := json.Marshal(view)
	if err != nil {
		t.Fatal(err)
	}
	encoded := string(body)
	for _, forbidden := range []string{"phone", "last_name", "visitor_notice", "device_status", "display_token_hash", "13800138000"} {
		if strings.Contains(encoded, forbidden) {
			t.Fatalf("public display overview leaked forbidden field %q: %s", forbidden, encoded)
		}
	}
	for _, required := range []string{`"name":"东门观光车"`, `"ticket_number":"00013"`, `"waiting_people_count":7`} {
		if !strings.Contains(encoded, required) {
			t.Fatalf("public display overview missing field %q: %s", required, encoded)
		}
	}
}

func TestNormalizeDisplayProjectCode(t *testing.T) {
	tests := []struct {
		input string
		want  string
		ok    bool
	}{
		{input: "raft", want: "RAFT", ok: true},
		{input: " east-ride ", want: "EAST-RIDE", ok: true},
		{input: "A", ok: false},
		{input: "bad code", ok: false},
		{input: strings.Repeat("a", 40), ok: false},
	}
	for _, test := range tests {
		got, ok := normalizeDisplayProjectCode(test.input)
		if got != test.want || ok != test.ok {
			t.Fatalf("normalizeDisplayProjectCode(%q) = %q, %v; want %q, %v", test.input, got, ok, test.want, test.ok)
		}
	}
}

func TestPublicPhoneLookupIsDisabledInProduction(t *testing.T) {
	server := &Server{config: config.Config{Environment: "production"}}
	recorder := httptest.NewRecorder()
	request := httptest.NewRequest("POST", "/api/public/status/search", strings.NewReader(`{"phone":"13800138000"}`))

	server.publicStatusByPhone(recorder, request)

	if recorder.Code != 404 {
		t.Fatalf("production phone lookup status = %d, want 404", recorder.Code)
	}
}

func TestPublicPhoneLookupRejectsInvalidPhone(t *testing.T) {
	server := &Server{config: config.Config{Environment: "development"}}
	recorder := httptest.NewRecorder()
	request := httptest.NewRequest("POST", "/api/public/status/search", strings.NewReader(`{"phone":"123"}`))

	server.publicStatusByPhone(recorder, request)

	if recorder.Code != 422 {
		t.Fatalf("invalid phone lookup status = %d, want 422", recorder.Code)
	}
}