//go:build integration
// +build integration

package integration

import (
	"context"
	"encoding/json"
	"fmt"
	"testing"
	"time"

	"veza-backend-api/internal/services"

	"github.com/coder/websocket"
	"github.com/google/uuid"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestChatWS_SendMessage_Flow(t *testing.T) {
	ts, db, cleanup := setupChatTestRouter(t)
	defer cleanup()

	roomID := uuid.New()

	user1ID := uuid.New()
	user2ID := uuid.New()

	// Setup room membership
	db.Exec("INSERT INTO rooms (id, name, type) VALUES (?, 'test', 'public')", roomID)
	db.Exec("INSERT INTO room_members (user_id, room_id, role, is_muted) VALUES (?, ?, 'member', 0)", user1ID, roomID)
	db.Exec("INSERT INTO room_members (user_id, room_id, role, is_muted) VALUES (?, ?, 'member', 0)", user2ID, roomID)

	chatService := services.NewChatService(testJWTSecret, nil)

	token1, err := chatService.GenerateToken(user1ID, "user1")
	require.NoError(t, err)
	token2, err := chatService.GenerateToken(user2ID, "user2")
	require.NoError(t, err)

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	// Connect user1
	wsURL1 := fmt.Sprintf("ws%s/api/v1/ws?token=%s", ts.URL[4:], token1.Token)
	conn1, _, err := websocket.Dial(ctx, wsURL1, nil)
	require.NoError(t, err)
	defer conn1.Close(websocket.StatusNormalClosure, "")

	// Connect user2
	wsURL2 := fmt.Sprintf("ws%s/api/v1/ws?token=%s", ts.URL[4:], token2.Token)
	conn2, _, err := websocket.Dial(ctx, wsURL2, nil)
	require.NoError(t, err)
	defer conn2.Close(websocket.StatusNormalClosure, "")

	// Read ActionConfirmed for both
	_, _, _ = conn1.Read(ctx)
	_, _, _ = conn2.Read(ctx)

	// Both join the room
	joinMsg := fmt.Sprintf(`{"type":"JoinConversation","conversation_id":"%s"}`, roomID)
	err = conn1.Write(ctx, websocket.MessageText, []byte(joinMsg))
	require.NoError(t, err)
	err = conn2.Write(ctx, websocket.MessageText, []byte(joinMsg))
	require.NoError(t, err)

	// Read join confirmations
	_, _, _ = conn1.Read(ctx)
	_, _, _ = conn2.Read(ctx)

	// User1 sends a message
	sendMsg := fmt.Sprintf(`{"type":"SendMessage","conversation_id":"%s","content":"Hello from user1!"}`, roomID)
	err = conn1.Write(ctx, websocket.MessageText, []byte(sendMsg))
	require.NoError(t, err)

	// User1 should get ActionConfirmed
	_, msg1, err := conn1.Read(ctx)
	require.NoError(t, err)
	var confirmed map[string]interface{}
	json.Unmarshal(msg1, &confirmed)
	assert.Equal(t, "ActionConfirmed", confirmed["type"])

	// Both should get NewMessage broadcast
	_, msg1Broadcast, err := conn1.Read(ctx)
	require.NoError(t, err)
	var newMsg1 map[string]interface{}
	json.Unmarshal(msg1Broadcast, &newMsg1)
	assert.Equal(t, "NewMessage", newMsg1["type"])
	assert.Equal(t, "Hello from user1!", newMsg1["content"])

	_, msg2Broadcast, err := conn2.Read(ctx)
	require.NoError(t, err)
	var newMsg2 map[string]interface{}
	json.Unmarshal(msg2Broadcast, &newMsg2)
	assert.Equal(t, "NewMessage", newMsg2["type"])
	assert.Equal(t, "Hello from user1!", newMsg2["content"])
}

func TestChatWS_TypingIndicator(t *testing.T) {
	ts, db, cleanup := setupChatTestRouter(t)
	defer cleanup()

	roomID := uuid.New()
	user1ID := uuid.New()
	user2ID := uuid.New()

	db.Exec("INSERT INTO rooms (id, name, type) VALUES (?, 'test', 'public')", roomID)
	db.Exec("INSERT INTO room_members (user_id, room_id, role, is_muted) VALUES (?, ?, 'member', 0)", user1ID, roomID)
	db.Exec("INSERT INTO room_members (user_id, room_id, role, is_muted) VALUES (?, ?, 'member', 0)", user2ID, roomID)

	chatService := services.NewChatService(testJWTSecret, nil)
	token1, _ := chatService.GenerateToken(user1ID, "user1")
	token2, _ := chatService.GenerateToken(user2ID, "user2")

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	conn1, _, _ := websocket.Dial(ctx, fmt.Sprintf("ws%s/api/v1/ws?token=%s", ts.URL[4:], token1.Token), nil)
	conn2, _, _ := websocket.Dial(ctx, fmt.Sprintf("ws%s/api/v1/ws?token=%s", ts.URL[4:], token2.Token), nil)
	defer conn1.Close(websocket.StatusNormalClosure, "")
	defer conn2.Close(websocket.StatusNormalClosure, "")

	_, _, _ = conn1.Read(ctx)
	_, _, _ = conn2.Read(ctx)

	joinMsg := fmt.Sprintf(`{"type":"JoinConversation","conversation_id":"%s"}`, roomID)
	conn1.Write(ctx, websocket.MessageText, []byte(joinMsg))
	conn2.Write(ctx, websocket.MessageText, []byte(joinMsg))
	_, _, _ = conn1.Read(ctx)
	_, _, _ = conn2.Read(ctx)

	// User1 types
	typingMsg := fmt.Sprintf(`{"type":"Typing","conversation_id":"%s","is_typing":true}`, roomID)
	conn1.Write(ctx, websocket.MessageText, []byte(typingMsg))

	// User1 gets ActionConfirmed
	_, _, _ = conn1.Read(ctx)

	// User2 should see typing indicator
	_, typing, err := conn2.Read(ctx)
	require.NoError(t, err)
	var typingResp map[string]interface{}
	json.Unmarshal(typing, &typingResp)
	assert.Equal(t, "UserTyping", typingResp["type"])
	assert.Equal(t, true, typingResp["is_typing"])
}