//
//  Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

package handler

import (
	"net/http"

	"github.com/gin-gonic/gin"

	"ragflow/internal/common"
	"ragflow/internal/service"
)

// MCPHandler handles MCP server requests.
type MCPHandler struct {
	mcpService *service.MCPService
}

// NewMCPHandler creates an MCP handler.
func NewMCPHandler(mcpService *service.MCPService) *MCPHandler {
	return &MCPHandler{
		mcpService: mcpService,
	}
}

// CreateMCPServer creates an MCP server for the current user.
func (h *MCPHandler) CreateMCPServer(c *gin.Context) {
	user, errorCode, errorMessage := GetUser(c)
	if errorCode != common.CodeSuccess {
		jsonError(c, errorCode, errorMessage)
		return
	}

	var req service.CreateMCPServerRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		jsonError(c, common.CodeDataError, err.Error())
		return
	}

	result, code, err := h.mcpService.CreateMCPServer(user.ID, req)
	if err != nil {
		jsonError(c, code, err.Error())
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"code":    common.CodeSuccess,
		"message": "success",
		"data":    result,
	})
}

// DeleteMCPServer deletes an MCP server for the current user.
func (h *MCPHandler) DeleteMCPServer(c *gin.Context) {
	user, errorCode, errorMessage := GetUser(c)
	if errorCode != common.CodeSuccess {
		jsonError(c, errorCode, errorMessage)
		return
	}

	result, code, err := h.mcpService.DeleteMCPServer(user.ID, c.Param("mcp_id"))
	if err != nil {
		jsonError(c, code, err.Error())
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"code":    common.CodeSuccess,
		"message": "success",
		"data":    result,
	})
}