package game

import (
	"fmt"

	"thehouseoficarus/internal/action"
	"thehouseoficarus/internal/net"
	"thehouseoficarus/internal/player"
)

func (g *Game) doSmelt(sess *net.Session, input string) {
	p := sess.Player.(*player.Player)
	g.CancelAction(p)

	stationDefID, stationName := g.findStation(p.RoomID, []string{"furnace"})
	if stationDefID == "" {
		sess.WriteLine("You need a furnace to smelt.")
		return
	}

	allRecipes, err := g.RecipeStore.LoadAll()
	if err != nil {
		sess.WriteLine("Error loading recipes.")
		return
	}

	if input == "" {
		g.showSmeltMenu(sess, p, allRecipes, stationDefID, stationName)
		return
	}

	matches := g.findInventoryMatches(input, p)
	if len(matches) == 0 {
		sess.WriteLine(fmt.Sprintf("You don't have any '%s'.", input))
		return
	}

	unique := uniqueItemNames(matches)
	if len(unique) > 1 {
		g.showWhichOne(sess, matches)
		return
	}

	itemID := matches[0].ID

	var recipes []action.RecipeDef
	for _, r := range allRecipes {
		if r.Type != "smelting" || !stationMatch(stationDefID, r.Station) || !r.MatchesEntry(itemID) {
			continue
		}
		if !r.HasAllItemsQty(p.CountItem) || 			p.Level(player.SkillName(r.EffectiveSkill())) < r.Level {
			continue
		}
		recipes = append(recipes, r)
	}

	if len(recipes) == 0 {
		sess.WriteLine("You can't smelt that.")
		return
	}

	if len(recipes) == 1 {
		g.promptHowMany(sess, recipes[0].ID)
		return
	}

	sess.PendingMenu = recipeMenuData(recipes)
	sess.State = net.StateRecipeChoice
	var names []string
	for _, r := range recipes {
		names = append(names, g.recipeName(sess, &r))
	}
	g.showMenuTable(sess, "What would you like to smelt?", names)
}

func (g *Game) showSmeltMenu(sess *net.Session, p *player.Player, allRecipes []action.RecipeDef, stationDefID, stationName string) {
	seen := make(map[string]bool)
	var entries []recipeEntry

	for _, r := range allRecipes {
		if r.Type != "smelting" || !stationMatch(stationDefID, r.Station) {
			continue
		}
		if seen[r.ID] || !r.HasAllItemsQty(p.CountItem) || 			p.Level(player.SkillName(r.EffectiveSkill())) < r.Level {
			continue
		}
		seen[r.ID] = true
		entries = append(entries, recipeEntry{g.recipeName(sess, &r), r})
	}

	if len(entries) == 0 {
		sess.WriteLine("You don't have anything you can smelt.")
		return
	}

	if len(entries) == 1 {
		if p.OptionBool("smelt_all") {
			g.startProductionFromRecipe(sess, p, &entries[0].Recipe, 0)
			return
		}
		g.promptHowMany(sess, entries[0].Recipe.ID)
		return
	}

	sess.State = net.StateRecipeChoice
	var names []string
	for _, e := range entries {
		names = append(names, e.ItemName)
	}
	g.showMenuTable(sess, "What would you like to smelt?", names)
	sess.PendingMenu = entryMenuData(entries)
}