package server

import (
	"net/http"
	"strconv"
	"strings"
	"time"

	"github.com/a-h/templ"

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

func (h *Server) postCake(r *http.Request) (templ.Component, int, error) {
	err := r.ParseForm()
	if err != nil {
		return nil, http.StatusInternalServerError, err
	}

	var n models.Cake
	n.ID, err = strconv.Atoi(r.FormValue("id"))
	if err != nil {
		return nil, http.StatusBadRequest, err
	}
	n.Name = r.FormValue("name")
	n.Price, err = models.ParsePrice(r.FormValue("price"))
	if err != nil {
		return nil, http.StatusBadRequest, err
	}

	for _, idStr := range r.Form["tag"] {
		tagID, err := strconv.Atoi(idStr)
		if err != nil {
			continue
		}
		n.Tags = append(n.Tags, models.Tag{ID: tagID})
	}
	if newTag := strings.TrimSpace(r.FormValue("new_tag")); newTag != "" {
		tagID, err := h.s.CreateTag(newTag)
		if err != nil {
			return nil, http.StatusInternalServerError, err
		}
		n.Tags = append(n.Tags, models.Tag{ID: tagID, Name: newTag})
	}

	n.ID, err = h.s.SaveCake(n)
	return templates.Confirmation("Potwierdzone", n.ID), http.StatusAccepted, err
}

func (h *Server) postOrder(r *http.Request) (templ.Component, int, error) {
	cakes, err := h.s.GetCakes()
	if err != nil {
		return nil, http.StatusInternalServerError, err
	}

	err = r.ParseForm()
	if err != nil {
		return nil, http.StatusBadRequest, err
	}

	var n models.Order
	n.ID, err = strconv.Atoi(r.FormValue("id"))
	if err != nil {
		return nil, http.StatusBadRequest, err
	}
	n.Paid, err = models.ParsePrice(r.FormValue("paid"))
	if err != nil {
		return nil, http.StatusBadRequest, err
	}
	n.Date, err = time.Parse(config.DateFormat, r.FormValue("date"))
	if err != nil {
		return nil, http.StatusBadRequest, err
	}

	n.Cakes = make([]models.Cake, 0)
	for _, e := range cakes {
		e.Amount, err = strconv.Atoi(r.FormValue("cake[" + strconv.Itoa(e.ID) + "]"))
		if err != nil {
			continue
		}
		n.Cakes = append(n.Cakes, e)
	}

	specialNames := r.Form["special_name[]"]
	specialPrices := r.Form["special_price[]"]
	specialSizes := r.Form["special_size[]"]
	specialShapes := r.Form["special_shape[]"]
	specialFlavours := r.Form["special_flavour[]"]
	specialNotes := r.Form["special_notes[]"]
	specialTags := r.Form["special_tags[]"]
	specialNewTags := r.Form["special_new_tag[]"]
	for i := range specialNames {
		price, err := models.ParsePrice(specialPrices[i])
		if err != nil {
			continue
		}

		var tags []models.Tag
		if i < len(specialTags) && specialTags[i] != "" {
			for _, idStr := range strings.Split(specialTags[i], ",") {
				id, err := strconv.Atoi(strings.TrimSpace(idStr))
				if err == nil {
					tags = append(tags, models.Tag{ID: id})
				}
			}
		}
		if newTag := strings.TrimSpace(safeStr(specialNewTags, i)); newTag != "" {
			tagID, err := h.s.CreateTag(newTag)
			if err == nil {
				tags = append(tags, models.Tag{ID: tagID, Name: newTag})
			}
		}

		n.SpecialCakes = append(n.SpecialCakes, models.SpecialCake{
			Name:    specialNames[i],
			Price:   price,
			Size:    safeStr(specialSizes, i),
			Shape:   safeStr(specialShapes, i),
			Flavour: safeStr(specialFlavours, i),
			Notes:   safeStr(specialNotes, i),
			Tags:    tags,
		})
	}

	n.Accepted = time.Now()
	n.Name = strings.TrimSpace(r.FormValue("name"))
	n.Surname = strings.TrimSpace(r.FormValue("surname"))
	n.Phone = strings.TrimSpace(r.FormValue("phone"))
	n.Location = strings.TrimSpace(r.FormValue("location"))
	n.Status = strings.TrimSpace(r.FormValue("status"))

	n.ID, err = h.s.SaveOrder(n)
	return templates.Confirmation("Potwierdzone", n.ID), http.StatusAccepted, err
}

func safeStr(s []string, i int) string {
	if i < len(s) {
		return s[i]
	}
	return ""
}

func (h *Server) postBlocked(r *http.Request) (templ.Component, int, error) {
	if err := r.ParseForm(); err != nil {
		return nil, http.StatusBadRequest, err
	}
	if err := h.s.AddBlockedDate(r.FormValue("date")); err != nil {
		return nil, http.StatusInternalServerError, err
	}
	dates, _ := h.s.GetBlockedDates()
	return templates.BlockedMain(dates), http.StatusOK, nil
}

func (h *Server) deleteBlocked(r *http.Request) (templ.Component, int, error) {
	id, err := strconv.Atoi(r.PathValue("id"))
	if err != nil {
		return nil, http.StatusBadRequest, err
	}
	if err := h.s.RemoveBlockedDate(id); err != nil {
		return nil, http.StatusInternalServerError, err
	}
	dates, _ := h.s.GetBlockedDates()
	return templates.BlockedMain(dates), http.StatusOK, nil
}

func (h *Server) updateStatus(r *http.Request) (templ.Component, int, error) {
	id, err := strconv.Atoi(r.PathValue("id"))
	if err != nil {
		return nil, http.StatusBadRequest, err
	}
	order, err := h.s.GetOrder(id)
	if err != nil {
		return nil, http.StatusNotFound, err
	}
	order.Status = r.FormValue("status")
	if _, err := h.s.SaveOrder(order); err != nil {
		return nil, http.StatusInternalServerError, err
	}
	return templates.OrderRow(order), http.StatusOK, nil
}