package mcp

import (
	mcpsdk "github.com/modelcontextprotocol/go-sdk/mcp"

	"github.com/yan1h/agent-coding-workflow/internal/chat"
	"github.com/yan1h/agent-coding-workflow/internal/project"
	"github.com/yan1h/agent-coding-workflow/internal/workspace"
)

// ServerDeps 是装配 mcp.Server 所需的下游 service 集合。
type ServerDeps struct {
	Caller        *CallerResolver
	Projects      project.ProjectService
	Reqs          project.RequirementService
	Issues        project.IssueService
	Workspaces    workspace.WorkspaceService
	Templates     chat.TemplateService
	Messages      chat.MessageService
	Conversations chat.ConversationService
}

// NewMCPServer 装配 SDK Server 实例并注册所有工具/prompts/resources。
func NewMCPServer(deps ServerDeps) *mcpsdk.Server {
	srv := mcpsdk.NewServer(&mcpsdk.Implementation{
		Name:    "agent-coding-workflow",
		Version: "0.1.0",
	}, nil)

	// Phase F: 16 PM 工具
	registerPMTools(srv, deps)
	// Phase G: chat / prompts / resources
	registerChatTools(srv, deps)
	registerPrompts(srv, deps)
	registerResources(srv, deps)

	return srv
}

// register* 占位函数在后续 Phase F/G 实装时替换函数体。
func registerPMTools(_ *mcpsdk.Server, _ ServerDeps)    {}
func registerChatTools(_ *mcpsdk.Server, _ ServerDeps)  {}
func registerPrompts(_ *mcpsdk.Server, _ ServerDeps)    {}
func registerResources(_ *mcpsdk.Server, _ ServerDeps)  {}