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/**
* @file
* @brief Shop keeper functions.
**/
#ifndef SHOPPING_H
#define SHOPPING_H
#include "externs.h"
int artefact_value(const item_def &item);
// ident == true overrides the item ident level and gives the price
// as if the item was fully id'd
unsigned int item_value(item_def item, bool ident = false);
// Return true if an item is classified as a worthless consumable.
// Note that this does not take into account the player's condition:
// curse scrolls are worthless for everyone, most potions aren't worthless
// for mummies, etcetera.
bool is_worthless_consumable(const item_def &item);
void shop();
shop_struct *get_shop(const coord_def& where);
void destroy_shop_at(coord_def p);
string shop_name(const coord_def& where);
string shop_name(const coord_def& where, bool add_stop);
string shop_type_name(shop_type type);
bool shoptype_identifies_stock(shop_type type);
bool is_shop_item(const item_def &item);
bool shop_item_unknown(const item_def &item);
int str_to_shoptype(const string &s);
const char *shoptype_to_str(shop_type type);
void list_shop_types();
/////////////////////////////////////////////////////////////////////
struct level_pos;
class Menu;
class ShoppingList
{
public:
ShoppingList();
bool add_thing(const item_def &item, int cost,
const level_pos* pos = NULL);
bool add_thing(string desc, string buy_verb, int cost,
const level_pos* pos = NULL);
bool is_on_list(const item_def &item, const level_pos* pos = NULL) const;
bool is_on_list(string desc, const level_pos* pos = NULL) const;
bool del_thing(const item_def &item, const level_pos* pos = NULL);
bool del_thing(string desc, const level_pos* pos = NULL);
void del_things_from(const level_id &lid);
void item_type_identified(object_class_type base_type, int sub_type);
unsigned int cull_identical_items(const item_def& item, int cost = -1);
void gold_changed(int old_amount, int new_amount);
void move_things(const coord_def &src, const coord_def &dst);
void forget_pos(const level_pos &pos);
void display();
void refresh();
bool empty() const { return !list || list->empty(); };
int size() const;
static bool items_are_same(const item_def& item_a,
const item_def& item_b);
private:
CrawlVector* list;
int min_unbuyable_cost;
int min_unbuyable_idx;
int max_buyable_cost;
int max_buyable_idx;
private:
int find_thing(const item_def &item, const level_pos &pos) const;
int find_thing(const string &desc, const level_pos &pos) const;
void del_thing_at_index(int idx);
void fill_out_menu(Menu& shopmenu);
static bool thing_is_item(const CrawlHashTable& thing);
static const item_def& get_thing_item(const CrawlHashTable& thing);
static string get_thing_desc(const CrawlHashTable& thing);
static int thing_cost(const CrawlHashTable& thing);
static level_pos thing_pos(const CrawlHashTable& thing);
static string name_thing(const CrawlHashTable& thing,
description_level_type descrip = DESC_PLAIN);
static string describe_thing(const CrawlHashTable& thing,
description_level_type descrip = DESC_PLAIN);
static string item_name_simple(const item_def& item, bool ident = false);
};
extern ShoppingList shopping_list;
#endif
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