package api

import (
	"context"
	"encoding/json"
	"fmt"
	"net/http"
	"net/http/httptest"
	"os"
	"strings"
	"testing"

	"git.ipao.vip/rogee/creator-hub/internal/account"
	"git.ipao.vip/rogee/creator-hub/internal/creator"
	"github.com/gofiber/fiber/v3"
)

func TestPrivateMessageRoutes(t *testing.T) {
	databaseURL := os.Getenv("CREATORHUB_POSTGRES_TEST_URL")
	if databaseURL == "" {
		t.Skip("requires CREATORHUB_POSTGRES_TEST_URL")
	}
	store, accounts, ctx := openCreatorIntegrationStoreForAPITest(t, databaseURL)
	owner := account.Account{ID: "private-owner", Platform: creator.PlatformDouyin, Name: "本人", PlatformAccountKey: "123", CredentialReference: account.CredentialReference{ID: "private-credential", Provider: "os_keyring"}, CredentialKey: "creatorhub/private-owner/cookies"}
	bridge := &testCredentialBridge{values: make(map[string]string)}
	if err := accounts.CreateAccount(ctx, owner, bridge); err != nil {
		t.Fatal(err)
	}
	if _, err := store.RecordVerifiedLoginResult(ctx, owner.ID, "123"); err != nil {
		t.Fatal(err)
	}
	if _, err := store.SetListenerEnabled(ctx, owner.ID, true); err != nil {
		t.Fatal(err)
	}
	calls := 0
	send := func(ctx context.Context, i creator.PrivateMessageSendInput, r creator.PrivateMessageReservation) PrivateSendResult {
		calls++
		return PrivateSendResult{State: "succeeded", ServerID: "1001"}
	}
	app := fiber.New()
	registerPrivateMessageRoutes(app, store, send)
	input := fmt.Sprintf(`{"request_id":"one","account_id":%q,"peer_uid":"456","text":"你好"}`, owner.ID)
	for n := 0; n < 2; n++ {
		req := httptest.NewRequest("POST", "/api/creator/private-messages/send", strings.NewReader(input))
		req.Header.Set("Content-Type", "application/json")
		res, err := app.Test(req)
		if err != nil {
			t.Fatal(err)
		}
		if res.StatusCode != 200 {
			t.Fatalf("send status=%d", res.StatusCode)
		}
		var msg creator.PrivateMessage
		if err := json.NewDecoder(res.Body).Decode(&msg); err != nil {
			t.Fatal(err)
		}
		res.Body.Close()
		if msg.State != "succeeded" {
			t.Fatalf("message=%+v", msg)
		}
	}
	if calls != 1 {
		t.Fatalf("send calls=%d", calls)
	}
	for _, path := range []string{"/api/creator/private-messages/conversations?page=1&page_size=25", "/api/creator/private-messages/messages?account_id=" + owner.ID + "&peer_uid=456", "/api/creator/private-messages/status"} {
		res, err := app.Test(httptest.NewRequest("GET", path, nil))
		if err != nil {
			t.Fatal(err)
		}
		if res.StatusCode != 200 {
			t.Fatalf("%s status=%d", path, res.StatusCode)
		}
		res.Body.Close()
	}
	res, err := app.Test(httptest.NewRequest("GET", "/api/creator/private-messages/messages?account_id="+owner.ID+"&peer_uid=bad", nil))
	if err != nil {
		t.Fatal(err)
	}
	if res.StatusCode != http.StatusBadRequest {
		t.Fatalf("bad uid=%d", res.StatusCode)
	}
	res.Body.Close()
	if _, err := store.SetListenerEnabled(ctx, owner.ID, false); err != nil {
		t.Fatal(err)
	}
	input = strings.Replace(input, `"one"`, `"two"`, 1)
	req := httptest.NewRequest("POST", "/api/creator/private-messages/send", strings.NewReader(input))
	req.Header.Set("Content-Type", "application/json")
	res, err = app.Test(req)
	if err != nil {
		t.Fatal(err)
	}
	res.Body.Close()
	if res.StatusCode != 409 || calls != 1 {
		t.Fatalf("disabled status=%d calls=%d", res.StatusCode, calls)
	}
}
func TestPrivateNetworkFailureIsUnconfirmedNotRejected(t *testing.T) {
	result := decodePrivateSendResult([]byte(`{"status":"failed","code":"MESSAGE_REJECTED","status_code":1008}`))
	if result.State != "unknown" || !strings.Contains(result.Error, "1008") {
		t.Fatalf("network error=%+v", result)
	}
}

func TestPrivateSendRejectionPreservesReason(t *testing.T) {
	result := decodePrivateSendResult([]byte(`{"status":"failed","code":"MESSAGE_REJECTED","status_code":401,"check_code":"restricted","check_message":"暂时无法发送"}`))
	if result.State != "failed" || !strings.Contains(result.Error, "restricted") || !strings.Contains(result.Error, "401") || !strings.Contains(result.Error, "暂时无法发送") {
		t.Fatalf("reason=%+v", result)
	}
}

func TestDecodePrivateSendResult(t *testing.T) {
	cases := []struct {
		raw   string
		state string
		id    string
	}{
		{`{"status":"succeeded","success":true,"message":{"server_id":"100"}}`, "succeeded", "100"},
		{`{"status":"succeeded","success":false,"message":{"server_id":"100"}}`, "unknown", ""},
		{`{"status":"succeeded","success":true,"message":{}}`, "unknown", ""},
		{`{"status":"failed","code":"IM_SEND_REJECTED"}`, "failed", ""},
		{`{}`, "unknown", ""}, {`bad`, "unknown", ""},
	}
	for _, c := range cases {
		r := decodePrivateSendResult([]byte(c.raw))
		if r.State != c.state || r.ServerID != c.id {
			t.Fatalf("raw=%s result=%+v", c.raw, r)
		}
	}
}