package api

import (
	"net/http"
	"regexp"
)

func (r *Router) handleClearPortLogs(w http.ResponseWriter, req *http.Request) {
	ctx, ok := r.authorizeCommand(w, req, commandSpec{Action: "log.port.clear", Target: "logs", Permission: "log.clear"})
	if !ok {
		return
	}
	var body struct {
		Channel      string `json:"channel"`
		Confirmation string `json:"confirmation"`
	}
	if ok, _ := decodeJSONBody(w, req, &body, false); !ok {
		return
	}
	if !regexp.MustCompile(`^CH(?:0[1-9]|[1-3][0-9]|4[0-8])$`).MatchString(body.Channel) || body.Confirmation != body.Channel {
		writeError(w, http.StatusBadRequest, "validation_failed", "select one port CH01 through CH48 and confirm its exact channel")
		return
	}
	result, err := r.store.ClearPortLogs(ctx, body.Channel)
	writeResult(w, result, err)
}