package web

import (
	"encoding/json"
	"fmt"
	"log"
	"net/http"

	"code.severnaya.net/kordophone-mock/v2/server"
)

type MockHTTPServer struct {
	Server server.Server
	mux    http.ServeMux
}

func (m *MockHTTPServer) handleVersion(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "%s", m.Server.Version())
}

func (m *MockHTTPServer) handleStatus(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "OK")
}

func (m *MockHTTPServer) handleConversations(w http.ResponseWriter, r *http.Request) {
	convos := m.Server.Conversations()

	// Encode convos as JSON
	jsonData, err := json.Marshal(convos)
	if err != nil {
		log.Printf("Error marshalling conversations: %s", err)
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	// Write JSON to response
	w.Header().Set("Content-Type", "application/json")
	w.Write(jsonData)
}

func (m *MockHTTPServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	m.mux.ServeHTTP(w, r)
}

func NewMockHTTPServer() *MockHTTPServer {
	this := MockHTTPServer{
		Server: *server.NewServer(),
		mux:    *http.NewServeMux(),
	}

	this.mux.Handle("/version", http.HandlerFunc(this.handleVersion))
	this.mux.Handle("/conversations", http.HandlerFunc(this.handleConversations))
	this.mux.Handle("/status", http.HandlerFunc(this.handleStatus))

	return &this
}