// Clean Items : Remove contaminants from all objects
#include <iostream>
#include <iomanip>
#include <sstream>
#include <climits>
#include <vector>
#include <set>
using namespace std;

#include <dfhack/Core.h>
#include <dfhack/Console.h>
#include <dfhack/Export.h>
#include <dfhack/PluginManager.h>
#include <vector>
#include <string>
#include <algorithm>
#include <dfhack/modules/Items.h>

using namespace DFHack;

DFhackCExport command_result df_cleanitems (Core * c, vector <string> & parameters);

DFhackCExport const char * plugin_name ( void )
{
    return "cleanitems";
}

DFhackCExport command_result plugin_init ( Core * c, std::vector <PluginCommand> &commands)
{
    commands.clear();
    commands.push_back(PluginCommand("cleanitems", "Removes contaminants from items.", df_cleanitems));
    return CR_OK;
}

DFhackCExport command_result plugin_shutdown ( Core * c )
{
    return CR_OK;
}

DFhackCExport command_result df_cleanitems (Core * c, vector <string> & parameters)
{
    if(parameters.size() > 0)
    {
        string & p = parameters[0];
        if(p == "?" || p == "help")
        {
            c->con.print("This utility removes all contaminants from all objects in your fortress.\n");
            return CR_OK;
        }
    }
    c->Suspend();
    DFHack::Items * Items = c->getItems();

    vector <df_item*> p_items;
    if(!Items->readItemVector(p_items))
    {
        c->con.printerr("Can't access the item vector.\n");
        c->Resume();
        return CR_FAILURE;
    }
    std::size_t numItems = p_items.size();

    int cleaned_items = 0, cleaned_total = 0;
    for (std::size_t i = 0; i < numItems; i++)
    {
        df_item * itm = p_items[i];
        if(!itm->contaminants)
            continue;
        if (itm->contaminants->size())
        {
            cleaned_items++;
            cleaned_total += itm->contaminants->size();
            itm->contaminants->clear();
        }
    }
    c->Resume();
    c->con.print("Done. %d items cleaned of %d contaminants.\n", cleaned_items, cleaned_total);
    return CR_OK;
}