package api

import (
	"fmt"
	"net/http"
	"strings"
)

func (a *API) getEchoHandler(w http.ResponseWriter, r *http.Request) {
	echoID := r.PathValue("id")
	echos, err := a.idec.GetEchosByIDs([]string{echoID}, 0, 0)
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	if len(echos) == 0 {
		return
	}

	fmt.Fprint(w, strings.Join(echos[echoID].Messages, "\n"))
}

func (a *API) getEchosHandler(w http.ResponseWriter, r *http.Request) {
	ids := strings.Split(r.PathValue("ids"), "/")
	last := ids[len(ids)-1]
	offset, limit := 0, 0
	if _, err := fmt.Sscanf(last, "%d:%d", &offset, &limit); err == nil {
		ids = ids[:len(ids)-1]
	}
	echos, err := a.idec.GetEchosByIDs(ids, offset, limit)
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	for _, echoID := range ids {
		e := echos[echoID]
		fmt.Fprintln(w, e.Name)
		if len(e.Messages) > 0 {
			fmt.Fprintln(w, strings.Join(e.Messages, "\n"))
		}
	}
}

func (a *API) getEchosInfo(w http.ResponseWriter, r *http.Request) {
	ids := strings.Split(r.PathValue("ids"), "/")
	echos, err := a.idec.GetEchosByIDs(ids, 0, 0)
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	for _, e := range echos {
		fmt.Fprintf(w, "%s:%d\n", e.Name, e.Count)
	}
}