package api

import (
	"net/http"

	"github.com/muyue/muyue/internal/lsp"
	"github.com/muyue/muyue/internal/mcp"
	"github.com/muyue/muyue/internal/scanner"
	"github.com/muyue/muyue/internal/skills"
	"github.com/muyue/muyue/internal/version"
)

func (s *Server) handleInfo(w http.ResponseWriter, r *http.Request) {
	writeJSON(w, map[string]interface{}{
		"name":    version.Name,
		"version": version.Version,
		"author":  version.Author,
	})
}

func (s *Server) handleSystem(w http.ResponseWriter, r *http.Request) {
	if s.scanResult == nil {
		s.scanResult = scanner.ScanSystem()
	}
	writeJSON(w, map[string]interface{}{
		"system": s.scanResult.System,
	})
}

func (s *Server) handleTools(w http.ResponseWriter, r *http.Request) {
	if s.scanResult == nil {
		s.scanResult = scanner.ScanSystem()
	}
	type toolInfo struct {
		Name      string `json:"name"`
		Installed bool   `json:"installed"`
		Version   string `json:"version"`
		Path      string `json:"path"`
	}
	tools := make([]toolInfo, len(s.scanResult.Tools))
	for i, t := range s.scanResult.Tools {
		tools[i] = toolInfo{
			Name:      t.Name,
			Installed: t.Installed,
			Version:   t.Version,
			Path:      t.Path,
		}
	}
	writeJSON(w, map[string]interface{}{
		"tools": tools,
		"total": len(tools),
	})
}

func (s *Server) handleConfig(w http.ResponseWriter, r *http.Request) {
	if s.config == nil {
		writeError(w, "no config", http.StatusNotFound)
		return
	}
	writeJSON(w, map[string]interface{}{
		"profile":  s.config.Profile,
		"terminal": s.config.Terminal,
		"bmad":     s.config.BMAD,
	})
}

func (s *Server) handleProviders(w http.ResponseWriter, r *http.Request) {
	if s.config == nil {
		writeError(w, "no config", http.StatusNotFound)
		return
	}
	writeJSON(w, map[string]interface{}{
		"providers": s.config.AI.Providers,
	})
}

func (s *Server) handleSkills(w http.ResponseWriter, r *http.Request) {
	list, err := skills.List()
	if err != nil {
		writeError(w, err.Error(), http.StatusInternalServerError)
		return
	}
	writeJSON(w, map[string]interface{}{
		"skills": list,
		"count":  len(list),
	})
}

func (s *Server) handleLSP(w http.ResponseWriter, r *http.Request) {
	servers := lsp.ScanServers()
	writeJSON(w, map[string]interface{}{
		"servers": servers,
	})
}

func (s *Server) handleMCP(w http.ResponseWriter, r *http.Request) {
	servers := mcp.ScanServers()
	writeJSON(w, map[string]interface{}{
		"servers":    servers,
		"configured": true,
	})
}

func (s *Server) handleMCPConfigure(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		writeError(w, "POST only", http.StatusMethodNotAllowed)
		return
	}
	if err := mcp.ConfigureAll(s.config); err != nil {
		writeError(w, err.Error(), http.StatusInternalServerError)
		return
	}
	writeJSON(w, map[string]string{"status": "ok"})
}

func (s *Server) handleScan(w http.ResponseWriter, r *http.Request) {
	s.scanResult = scanner.ScanSystem()
	writeJSON(w, map[string]string{"status": "ok"})
}