package web

import (
	"html/template"
	"net/http"
	"pool-stats/database"
	"pool-stats/helpers"
	"pool-stats/models"
	"strconv"
)

type SharePageData struct {
	Shares  []models.ShareLog
	Page    int
	HasMore bool
}

func (ws *WebServer) SharesHandler(w http.ResponseWriter, r *http.Request) {
	tmpl := template.New("share_list").Funcs(template.FuncMap{
		"add":              func(a, b int) int { return a + b },
		"sub":              func(a, b int) int { return a - b },
		"humanDiff":        helpers.HumanDiff,
		"formatCreateDate": helpers.FormatCreateDate,
	})
	tmpl, err := tmpl.ParseFiles("templates/shares.html")
	if err != nil {
		http.Error(w, "Failed to load template", 500)
		return
	}

	entriesPerPage := 10
	page := r.URL.Query().Get("page")
	if page == "" {
		page = "1"
	}

	offset, err := strconv.Atoi(page)
	if err != nil || offset < 1 {
		http.Error(w, "Invalid page number", 400)
		return
	}

	offset = (offset - 1) * entriesPerPage
	shareLogs := database.ListShares(ws.db, offset, entriesPerPage)
	if shareLogs == nil {
		http.Error(w, "Failed to load shares", 500)
		return
	}

	data := SharePageData{
		Shares:  shareLogs,
		Page:    offset/entriesPerPage + 1,
		HasMore: len(shareLogs) == entriesPerPage,
	}
	if err := tmpl.Execute(w, data); err != nil {
		http.Error(w, "Failed to render template", 500)
		return
	}
}