package dashboard

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

type registryPageData struct {
	PageData
	Items          []registryItem
	Query          string
	StatusFilter   string
	Page, PerPage  int
	Total          int
	Pager          pagerData
	PerPageOptions []int
}

type registryDetailData struct {
	PageData
	History registryHistoryResponse
}

// handleRegistryPage lists every address ever submitted to the check
// queue, with a summary of its accumulated check history — the durable
// record that survives an address being deleted from /ips and later
// re-added. See internal/db/migrations/0007_ip_registry.sql. Optional
// ?q=&status= query params narrow the list by address substring and by
// LastResult, and ?page=&per_page= select a page — all applied server-side
// (control-api's ListRegistryPage), so only the visible rows are transferred.
func (s *Server) handleRegistryPage(w http.ResponseWriter, r *http.Request) {
	q := strings.TrimSpace(r.URL.Query().Get("q"))
	status := r.URL.Query().Get("status")
	if !containsStr(ipResults, status) {
		status = ""
	}
	perPage := parsePerPage(r.URL.Query().Get("per_page"))
	page := parsePage(r.URL.Query().Get("page"))
	query := registryQuery{Q: q, LastResult: status, Limit: perPage, Offset: (page - 1) * perPage}

	res, err := s.CA.ListRegistryPage(r.Context(), query)
	if err == nil {
		if clamped := clampPage(page, res.Total, perPage); clamped != page {
			page = clamped
			query.Offset = (page - 1) * perPage
			res, err = s.CA.ListRegistryPage(r.Context(), query)
		}
	}
	params := url.Values{}
	if q != "" {
		params.Set("q", q)
	}
	if status != "" {
		params.Set("status", status)
	}
	data := registryPageData{
		Items:          res.Items,
		Query:          q,
		StatusFilter:   status,
		Page:           page,
		PerPage:        perPage,
		Total:          res.Total,
		Pager:          newPager("/registry", "registry-table-wrap", params, page, perPage, res.Total),
		PerPageOptions: perPageOptions,
	}
	data.ActiveNav = "registry"
	data.Banner = bannerFor(err)
	s.renderPage(w, r, "registry_page", data)
}

// handleRegistryDetail shows one address's full retained check history
// across every cycle it has ever run, not just the current attempt — see
// ip_detail_content in ip_detail.html for the attempt-scoped equivalent.
func (s *Server) handleRegistryDetail(w http.ResponseWriter, r *http.Request) {
	ip := r.PathValue("ip")
	history, err := s.CA.GetRegistryHistory(r.Context(), ip)
	data := registryDetailData{History: history}
	data.ActiveNav = "registry"
	data.Banner = bannerFor(err)
	s.renderPage(w, r, "registry_detail_page", data)
}