#include "bind_process.h"

#include <platform.h>
#include <kernel/types.h>
#include <kernel/alliance.h>
#include <kernel/config.h>
#include <kernel/magic.h>
#include <kernel/order.h>
#include <kernel/region.h>
#include <kernel/terrain.h>
#include <kernel/unit.h>
#include "battle.h"
#include "move.h"
#include "economy.h"
#include "laws.h"
#include "market.h"
#include "study.h"
#include "keyword.h"

#define PROC_LAND_REGION 0x0001
#define PROC_LONG_ORDER 0x0002

static void process_cmd(keyword_t kwd, int (*callback)(unit *, order *), int flags)
{
  region * r;
  for (r=regions; r; r=r->next) {
    unit * u;

    /* look for shortcuts */
    if (flags&PROC_LAND_REGION) {
      /* only execute when we are on solid terrain */
      while (r && (r->terrain->flags&LAND_REGION)==0) {
        r = r->next;
      }
      if (!r) break;
    }

    for (u=r->units; u; u=u->next) {
      if (flags & PROC_LONG_ORDER) {
        if (kwd == getkeyword(u->thisorder)) {
          callback(u, u->thisorder);
        }
      } else {
        order * ord;
        for (ord=u->orders; ord; ord=ord->next) {
          if (kwd == getkeyword(ord)) {
            callback(u, ord);
          }
        }
      }
    }
  }
}

void process_produce(void) {
  struct region *r;
  for (r = regions; r; r = r->next) {
    unit * u;
    for (u=r->units; u; u=u->next) {
      order * ord;
      for (ord=u->orders; ord; ord=ord->next) {
        if (K_MAKE == getkeyword(ord)) {
          make_cmd(u, ord);
        }
      }
    }
    produce(r);
    split_allocations(r);
  }
}

void process_battle(void) {
  struct region *r;
  for (r = regions; r; r = r->next) {
    do_battle(r);
  }
}

void process_siege(void) {
  process_cmd(K_BESIEGE, siege_cmd, PROC_LAND_REGION);
}

void process_update_long_order(void) {
  region * r;
  for (r=regions; r; r=r->next) {
    unit * u;
    for (u=r->units; u; u=u->next) {
      update_long_order(u);
    }
  }
}

void process_markets(void) {
  do_markets();
}

void process_make_temp(void) {
  new_units();
}

void process_settings(void) {
  region * r;
  for (r=regions; r; r=r->next) {
    unit * u;
    for (u=r->units; u; u=u->next) {
      order * ord;
      for (ord=u->orders; ord; ord=ord->next) {
        keyword_t kwd = getkeyword(ord);
        if (kwd==K_BANNER) {
          banner_cmd(u, ord);
        }
        else if (kwd==K_EMAIL) {
          email_cmd(u, ord);
        }
        else if (kwd==K_SEND) {
          send_cmd(u, ord);
        }
        else if (kwd==K_PASSWORD) {
          password_cmd(u, ord);
        }
      }
    }
  }
}

void process_ally(void) {
  process_cmd(K_ALLY, ally_cmd, 0);
}

void process_prefix(void) {
  process_cmd(K_PREFIX, prefix_cmd, 0);
}

void process_setstealth(void) {
  process_cmd(K_SETSTEALTH, setstealth_cmd, 0);
}

void process_status(void) {
  process_cmd(K_STATUS, status_cmd, 0);
}

void process_name(void) {
  process_cmd(K_NAME, name_cmd, 0);
  process_cmd(K_DISPLAY, display_cmd, 0);
}

void process_group(void) {
    process_cmd(K_GROUP, group_cmd, 0);
}

void process_origin(void) {
    process_cmd(K_URSPRUNG, origin_cmd, 0);
}

void process_quit(void) {
    process_cmd(K_QUIT, quit_cmd, 0);
    quit();
}

void process_study(void) {
    process_cmd(K_TEACH, teach_cmd, PROC_LONG_ORDER);
    process_cmd(K_STUDY, learn_cmd, PROC_LONG_ORDER);
}

void process_movement(void) {
    region *r;

    movement();
    for (r = regions; r; r = r->next) {
        if (r->ships) {
            sinkships(r);
        }
    }
}

void process_use(void) {
    process_cmd(K_USE, use_cmd, 0);
}

void process_leave(void) {
    process_cmd(K_LEAVE, leave_cmd, 0);
}

void process_promote(void) {
    process_cmd(K_PROMOTION, promotion_cmd, 0);
}

void process_renumber(void) {
    process_cmd(K_NUMBER, renumber_cmd, 0);
    renumber_factions();
}

void process_restack(void) {
    restack_units();
}

void process_setspells(void) {
    process_cmd(K_COMBATSPELL, combatspell_cmd, 0);
}

void process_sethelp(void) {
    process_cmd(K_ALLY, ally_cmd, 0);
}

void process_contact(void) {
    process_cmd(K_CONTACT, contact_cmd, 0);
}

void process_magic(void) {
    magic();
}

void process_give_control(void) {
    process_cmd(K_CONTACT, give_control_cmd, 0);
}

void process_guard_on(void) {
    process_cmd(K_GUARD, guard_on_cmd, PROC_LAND_REGION);
}

void process_explain(void) {
    process_cmd(K_RESHOW, reshow_cmd, 0);
}

void process_reserve(void) {
    int rule = get_param_int(global.parameters, "rules.reserve.twophase", 0);
    if (rule) {
        process_cmd(K_RESERVE, reserve_self, 0);
    }
    process_cmd(K_RESERVE, reserve_cmd, 0);
}

void process_claim(void) {
    process_cmd(K_CLAIM, claim_cmd, 0);
}

void process_follow(void) {
    struct region *r;
    for (r = regions; r; r = r->next) {
        unit *u;
        for (u = r->units; u; u = u->next) {
            follow_unit(u);
        }
    }
}

void process_messages(void) {
    process_cmd(K_MAIL, mail_cmd, 0);
}

void process_guard_off(void) {
    process_cmd(K_GUARD, guard_off_cmd, PROC_LAND_REGION);
}

void process_regeneration(void) {
    monthly_healing();
    regenerate_aura();
}

void process_enter(int final) {
    region *r;
    for (r = regions; r; r = r->next) {
        do_enter(r, final);
    }
}

void process_maintenance(void) {
    region *r;
    for (r = regions; r; r = r->next) {
        unit *u;
        for (u = r->units; u; u = u->next) {
            order *ord;
            for (ord = u->orders; ord; ord = ord->next) {
                keyword_t kwd = getkeyword(ord);
                if (kwd == K_PAY) {
                    pay_cmd(u, ord);
                }
            }
        }
        maintain_buildings(r, 0);
    }
}

void process_alliance(void) {
    alliance_cmd();
}

void process_idle(void) {
    region *r;
    for (r = regions; r; r = r->next) {
        auto_work(r);
    }
}

void process_set_default(void) {
    if (!keyword_disabled(K_DEFAULT)) {
        defaultorders();
    }
}