#include <stdlib.h>
#include <stdio.h>
#include <SDL/SDL.h>
#include "structures.h"
#include "constantes.h"
#include "prototypes.h"

enum action_state_t Fmagieelement (SURFACES *surfaces,POSITIONS *positions,PERSONNAGES persos[], int Vtourallie,ENNEMIS ennemis[],int Vnbennemis, int element)
{
    enum action_state_t ret = ACTION_CANCELED;
    int max;
    int min;
    unsigned int continuer = 1;
    int degats;
    int selection = 0;
    int delay=1;
    unsigned int Bdegats=DEGATS;
    int clan=ENNEMI;
    SDL_Event event;
    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncadreactions,surfaces->Pecran,&positions->Vpositioncadreactions);
    while(ennemis[selection].etat==MORT)
        selection++;
    Fchangercurseurennemis (surfaces,positions,selection,ennemis);
    while (continuer)
    {
        SDL_Flip (surfaces->Pecran);
        SDL_WaitEvent (&event);
        switch (event.type)
        {
            case SDL_KEYDOWN:
            switch (event.key.keysym.sym)
            {
                case SDLK_ESCAPE:
                case SDLK_a:
                continuer = 0;
                if(clan==ENNEMI)
                {
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncadrecible,surfaces->Pecran,&positions->Vpositioncadrecible);
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncurseurennemis,surfaces->Pecran,&positions->Vpositioncurseurennemis);
                }
                else
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncurseurallies,surfaces->Pecran,&positions->Vpositioncurseurallies);
                SDL_Flip (surfaces->Pecran);
                break;
                SELECTION_CIBLE()
                case SDLK_RETURN:
                case SDLK_f:
                continuer=0;
                max=Fcalculerdegats(persos, Vtourallie,&min,ennemis,selection,clan,TYPE_MAGIE);
                degats=(rand()%(max-min+1))+min;
                if(degats<0)
                    degats=0;
                if(element!=NON_ELEMENTAIRE)
                {
                    if (ennemis[selection].resistance[element]==ACTIVE)
                        degats/=2;
                    else if(ennemis[selection].sensibilite[element]==ACTIVE)
                        degats*=2;
                    else if(ennemis[selection].invulnerabilite[element]==ACTIVE)
                        degats=0;
                    else if(ennemis[selection].absorbtion[element]==ACTIVE)
                        inverse_boolean(Bdegats);
                }
                if(clan==ENNEMI)
                {
                    if(Bdegats==DEGATS)
                        ennemis[selection].pv-=degats;
                    else
                        ennemis[selection].pv+=degats;
                    if(ennemis[selection].pv<=0)
                    {
                        ennemis[selection].pv=0;
                        ennemis[selection].etat=MORT;
                        positions->Vpositionmort.x=positions->Vpositionennemis[selection].x+surfaces->Tennemi[selection]->w/2-surfaces->Pmort->w/2;
                        positions->Vpositionmort.y=positions->Vpositionennemis[selection].y+surfaces->Tennemi[selection]->h/2-surfaces->Pmort->h/2;
                        SDL_BlitSurface(surfaces->Pmort,NULL,surfaces->Pecran,&positions->Vpositionmort);
                    }
                    else if(ennemis[selection].pv>ennemis[selection].pvinitiaux)
                        ennemis[selection].pv=ennemis[selection].pvinitiaux;
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncurseurennemis,surfaces->Pecran,&positions->Vpositioncurseurennemis);
                }
                else
                {
                    if(Bdegats==DEGATS)
                        persos[selection].pv-=degats;
                    else
                        persos[selection].pv+=degats;
                    if(persos[selection].pv<=0)
                    {
                        persos[selection].pv=0;
                        persos[selection].etat=MORT;
                        positions->Vpositionmort.x=positions->Vpositionpersos[selection].x+surfaces->Tperso[selection]->w/2-surfaces->Pmort->w/2;
                        positions->Vpositionmort.y=positions->Vpositionpersos[selection].y+surfaces->Tperso[selection]->h/2-surfaces->Pmort->h/2;
                        SDL_BlitSurface(surfaces->Pmort,NULL,surfaces->Pecran,&positions->Vpositionmort);
                    }
                    else if(persos[selection].pv>persos[selection].pvinitiaux)
                        persos[selection].pv=persos[selection].pvinitiaux;
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncurseurallies,surfaces->Pecran,&positions->Vpositioncurseurallies);
                }
                if(Bdegats==DEGATS)
                    Fafficherdegats (surfaces,positions,degats,clan,selection,persos);
                else
                    Faffichersoins (surfaces,positions,degats,clan,selection,persos);
                if(clan==ENNEMI)
                {
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncadrecible,surfaces->Pecran,&positions->Vpositioncadrecible);
                    SDL_Flip (surfaces->Pecran);
                }
                ret = ACTION_PERFORMED;
                break;
                default:
                break;
            }
            break;
        }
    }
    if (delay)
        SDL_Delay(1000);
    SDL_BlitSurface(surfaces->Pfondjeu,&positions->Vpositiondegats,surfaces->Pecran,&positions->Vpositiondegats);
    SDL_Flip(surfaces->Pecran);

    return ret;
}

enum action_state_t Fmagiesoin(SURFACES *surfaces,POSITIONS *positions,PERSONNAGES persos[], int Vtourallie,ENNEMIS ennemis[],int Vnbennemis)
{
    enum action_state_t ret = ACTION_CANCELED;
    unsigned int continuer=1;
    SDL_Event event;
    int max;
    int min;
    int soins;
    int clan=ALLIE;
    int delay=1;
    int selection=0;
    int Bdegats=SOINS;
    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncadreactions,surfaces->Pecran,&positions->Vpositioncadreactions);
    while(persos[selection].etat==MORT)
        selection++;
    Fchangercurseurpersos (surfaces,positions,selection,persos);
    while(continuer)
    {
        SDL_WaitEvent(&event);
        switch(event.type)
        {
            case SDL_KEYDOWN:
            switch(event.key.keysym.sym)
            {
                case SDLK_ESCAPE:
                case SDLK_a:
                continuer = 0;
                if(clan==ENNEMI)
                {
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncadrecible,surfaces->Pecran,&positions->Vpositioncadrecible);
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncurseurennemis,surfaces->Pecran,&positions->Vpositioncurseurennemis);
                }
                else
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncurseurallies,surfaces->Pecran,&positions->Vpositioncurseurallies);
                SDL_Flip (surfaces->Pecran);
                break;
                SELECTION_CIBLE()
                case SDLK_RETURN:
                case SDLK_f:
                max=Fcalculersoins(persos, Vtourallie,&min,ennemis,selection);
                soins=(rand()%(max-min+1))+min;
                if(soins<0)
                    soins=0;
                if(clan==ENNEMI)
                {
                    if(Bdegats==DEGATS)
                        ennemis[selection].pv-=soins;
                    else
                        ennemis[selection].pv+=soins;
                    if(ennemis[selection].pv<=0)
                    {
                        ennemis[selection].pv=0;
                        ennemis[selection].etat=MORT;
                        positions->Vpositionmort.x=positions->Vpositionennemis[selection].x+surfaces->Tennemi[selection]->w/2-surfaces->Pmort->w/2;
                        positions->Vpositionmort.y=positions->Vpositionennemis[selection].y+surfaces->Tennemi[selection]->h/2-surfaces->Pmort->h/2;
                        SDL_BlitSurface(surfaces->Pmort,NULL,surfaces->Pecran,&positions->Vpositionmort);
                    }
                    else if(ennemis[selection].pv>ennemis[selection].pvinitiaux)
                        ennemis[selection].pv=ennemis[selection].pvinitiaux;
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncurseurennemis,surfaces->Pecran,&positions->Vpositioncurseurennemis);
                }
                else
                {
                    if(Bdegats==DEGATS)
                        persos[selection].pv-=soins;
                    else
                        persos[selection].pv+=soins;
                    if(persos[selection].pv<=0)
                    {
                        persos[selection].pv=0;
                        persos[selection].etat=MORT;
                        positions->Vpositionmort.x=positions->Vpositionpersos[selection].x+surfaces->Tperso[selection]->w/2-surfaces->Pmort->w/2;
                        positions->Vpositionmort.y=positions->Vpositionpersos[selection].y+surfaces->Tperso[selection]->h/2-surfaces->Pmort->h/2;
                        SDL_BlitSurface(surfaces->Pmort,NULL,surfaces->Pecran,&positions->Vpositionmort);
                    }
                    else if(persos[selection].pv>persos[selection].pvinitiaux)
                        persos[selection].pv=persos[selection].pvinitiaux;
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncurseurallies,surfaces->Pecran,&positions->Vpositioncurseurallies);
                }
                if(Bdegats==DEGATS)
                    Fafficherdegats (surfaces,positions,soins,clan,selection,persos);
                else
                    Faffichersoins (surfaces,positions,soins,clan,selection,persos);
                if(clan==ENNEMI)
                {
                    SDL_BlitSurface (surfaces->Pfondjeu,&positions->Vpositioncadrecible,surfaces->Pecran,&positions->Vpositioncadrecible);
                    SDL_Flip (surfaces->Pecran);
                }
                ret = ACTION_PERFORMED;
                continuer=0;
                break;
                default:
                break;
            }
            break;
        }
    }
    if (delay)
        SDL_Delay(1000);
    SDL_BlitSurface(surfaces->Pfondjeu,&positions->Vpositiondegats,surfaces->Pecran,&positions->Vpositiondegats);
    SDL_Flip(surfaces->Pecran);
    return ret;
}

int Fcalculersoins(PERSONNAGES persos[], int Vtourallie,int *min,ENNEMIS ennemis[],int selection)
{
    unsigned int soins;
    int max;
    int taux;

    /* TODO understand why these variables were passed to the function */
    (void) ennemis;
    (void) selection;

    soins=persos[Vtourallie].magie*20;
    taux=soins/4;
    max=soins+taux;
    *min=soins-taux;

    return max;
}