package templates

import (
	"fmt"
	"strconv"
	"strings"

	"git.bronku.xyz/bronku/cake-order-tracker/models"
)

func cakeTitle(cake models.Cake) string {
	if cake.ID != 0 {
		return "Ciasto #" + strconv.Itoa(cake.ID)
	}
	return "Ciasto nowe"
}

func orderTitle(order models.Order) string {
	if order.ID != 0 {
		return "Edytuj zamówienie #" + strconv.Itoa(order.ID)
	}
	return "Nowe zamówienie"
}

func orderSubtotal(order models.Order) int {
	sub := 0
	for _, c := range order.Cakes {
		sub += c.Price * c.Amount
	}
	return sub
}

func countPending(orders []models.Order) int {
	n := 0
	for _, o := range orders {
		if o.Status != "done" {
			n++
		}
	}
	return n
}

func countDone(orders []models.Order) int {
	n := 0
	for _, o := range orders {
		if o.Status == "done" {
			n++
		}
	}
	return n
}

func estimateRevenue(orders []models.Order) int {
	total := 0
	for _, o := range orders {
		for _, c := range o.Cakes {
			total += c.Price * c.Amount
		}
	}
	return total
}

func cakeItemsDesc(cakes []models.Cake) string {
	desc := ""
	for i, c := range cakes {
		if i > 0 {
			desc += ", "
		}
		desc += c.Name + " (x" + strconv.Itoa(c.Amount) + ")"
	}
	return desc
}

func orderScript(order models.Order) string {
	var b strings.Builder
	b.WriteString("<script>")
	if order.ID != 0 {
		for _, c := range order.Cakes {
			b.WriteString(fmt.Sprintf("updateCatalogueQty(%d,%d);", c.ID, c.Amount))
		}
	}
	b.WriteString("updateTotals();</script>")
	return b.String()
}