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//
// ABLAXX statistical de-excitation model
// Jose Luis Rodriguez, UDC (translation from ABLA07 and contact person)
// Pekka Kaitaniemi, HIP (initial translation of ablav3p)
// Aleksandra Kelic, GSI (ABLA07 code)
// Davide Mancusi, CEA (contact person INCL)
// Aatos Heikkinen, HIP (project coordination)
//

#pragma once

#include "G4AblaDataDefs.hh"
#include "G4AblaRandom.hh"
#include "globals.hh"

#include <memory>

/**
 *  Class containing ABLA++ de-excitation code.
 */

class G4Abla
{
  public:
    /**
     * This constructor is used by standalone test driver and the Geant4
     * interface.
     *
     * @param aHazard random seeds
     * @param aVolant data structure for ABLA output
     * @param aVarNtp data structure for transfering ABLA output to Geant4
     * interface
     */
    G4Abla(G4VarNtp* aVarntp);

    /**
     * Basic destructor.
     */
    ~G4Abla() = default;

    /// \brief Dummy copy constructor
    G4Abla(G4Abla const& other);

    /// \brief Dummy assignment operator
    G4Abla& operator=(G4Abla const& other);

    /**
     * Set verbosity level.
     */
    void setVerboseLevel(G4int level);

    /**
     * Main interface to the de-excitation code.
     *
     * @param nucleusA mass number of the nucleus
     * @param nucleusZ charge number of the nucleus
     * @param excitationEnergy excitation energy of the nucleus
     * @param angularMomentum angular momentum of the nucleus (produced as output
     * by INCL4)
     * @param momX momentum x-component
     * @param momY momentum y-component
     * @param momZ momentum z-component
     * @param eventnumber number of the event
     */
    void DeexcitationAblaxx(G4int nucleusA, G4int nucleusZ, G4double excitationEnergy,
                            G4double angularMomentum, G4double momX, G4double momY, G4double momZ,
                            G4int eventnumber);

    /**
     * Main interface to the de-excitation code for hyper-nuclei.
     *
     * @param nucleusA mass number of the nucleus
     * @param nucleusZ charge number of the nucleus
     * @param excitationEnergy excitation energy of the nucleus
     * @param angularMomentum angular momentum of the nucleus (produced as output
     * by INCL)
     * @param momX momentum x-component
     * @param momY momentum y-component
     * @param momZ momentum z-component
     * @param eventnumber number of the event
     * @param nucleusS is the strange number
     */
    void DeexcitationAblaxx(G4int nucleusA, G4int nucleusZ, G4double excitationEnergy,
                            G4double angularMomentum, G4double momX, G4double momY, G4double momZ,
                            G4int eventnumber, G4int nucleusS);

    // Evaporation
  public:
    /**
     * Initialize ABLA evaporation code.
     *
     */
    void initEvapora();

    /**
     * Initialize ABLA parameters.
     *
     */
    void SetParameters();
    void SetParametersG4(G4int z, G4int a);

    /**
     * Coefficient of collective enhancement including damping
     * Input: z,a,bet,sig,u
     * Output: qr - collective enhancement factor
     * See  junghans et al., nucl. phys. a 629 (1998) 635
     * @param z charge number
     * @param a mass number
     * @param bet beta deformation
     * @param sig perpendicular spin cut-off factor
     * @param u Energy
     * @return Coefficient of collective enhancement
     */
    void qrot(G4double z, G4double a, G4double bet, G4double sig, G4double u, G4double* qr);

    /**
     * Model de la goutte liquide de c. f. weizsacker.
     * usually an obsolete option
     */
    void mglw(G4double a, G4double z, G4double* el);

    /**
     * Mglms
     */
    void mglms(G4double a, G4double z, G4int refopt4, G4double* el);

    /**
     * Calculation of fissility parameter
     */
    G4double fissility(G4int a, G4int z, G4int ny, G4double sn, G4double slam, G4int optxfis);

    /**
     * Main evaporation routine.
     */
    void evapora(G4double zprf, G4double aprf, G4double* ee_par, G4double jprf, G4double* zf_par,
                 G4double* af_par, G4double* mtota_par, G4double* vleva_par, G4double* vxeva_par,
                 G4double* vyeva_par, G4int* ff_par, G4int* fimf_par, G4double* fzimf,
                 G4double* faimf, G4double* tkeimf_par, G4double* jprfout, G4int* inttype_par,
                 G4int* inum_par, G4double EV_TEMP[indexpart][6], G4int* iev_tab_temp_par,
                 G4int* nblam0);

    /**
     * Calculation of particle emission probabilities.
     */
    void direct(G4double zprf, G4double a, G4double ee, G4double jprf, G4double* probp_par,
                G4double* probd_par, G4double* probt_par, G4double* probn_par, G4double* probhe_par,
                G4double* proba_par, G4double* probg_par, G4double* probimf_par,
                G4double* probf_par, G4double* problamb0_par, G4double* ptotl_par, G4double* sn_par,
                G4double* sbp_par, G4double* sbd_par, G4double* sbt_par, G4double* sbhe_par,
                G4double* sba_par, G4double* slamb0_par, G4double* ecn_par, G4double* ecp_par,
                G4double* ecd_par, G4double* ect_par, G4double* eche_par, G4double* eca_par,
                G4double* ecg_par, G4double* eclamb0_par, G4double* bp_par, G4double* bd_par,
                G4double* bt_par, G4double* bhe_par, G4double* ba_par, G4double* sp_par,
                G4double* sd_par, G4double* st_par, G4double* she_par, G4double* sa_par,
                G4double* ef_par, G4double* ts1_par, G4int, G4int inum, G4int itest, G4int* sortie,
                G4double* tcn, G4double* jprfn_par, G4double* jprfp_par, G4double* jprfd_par,
                G4double* jprft_par, G4double* jprfhe_par, G4double* jprfa_par,
                G4double* jprflamb0_par, G4double* tsum_par, G4int NbLam0);

    /**
     * Calculation of fission and the particle emission probabilities after
     * fission.
     */
    void fission(G4double AF, G4double ZF, G4double EE, G4double JPRF, G4double* VX1_FISSION,
                 G4double* VY1_FISSION, G4double* VZ1_FISSION, G4double* VX2_FISSION,
                 G4double* VY2_FISSION, G4double* VZ2_FISSION, G4int* ZFP1, G4int* AFP1,
                 G4int* SFP1, G4int* ZFP2, G4int* AFP2, G4int* SFP2, G4int* imode,
                 G4double* VX_EVA_SC, G4double* VY_EVA_SC, G4double* VZ_EVA_SC,
                 G4double EV_TEMP[indexpart][6], G4int* IEV_TAB_FIS, G4int* NbLam0);

    /**
     * Calculation of lorentz's boost
     */
    void lorentz_boost(G4double VXRIN, G4double VYRIN, G4double VZRIN, G4double VXIN, G4double VYIN,
                       G4double VZIN, G4double* VXOUT, G4double* VYOUT, G4double* VZOUT);

    /**
     * Calculation of unstable nuclei
     */
    void unstable_nuclei(G4int AFP, G4int ZFP, G4int* AFPNEW, G4int* ZFPNEW, G4int& IOUNSTABLE,
                         G4double VX, G4double VY, G4double VZ, G4double* VP1X, G4double* VP1Y,
                         G4double* VP1Z, G4double BU_TAB_TEMP[indexpart][6], G4int* ILOOP);

    /**
     * Calculation of unstable nuclei tke
     */
    void unstable_tke(G4double AIN, G4double ZIN, G4double ANEW, G4double ZNEW, G4double VXIN,
                      G4double VYIN, G4double VZIN, G4double* V1X, G4double* V1Y, G4double* V1Z,
                      G4double* V2X, G4double* V2Y, G4double* V2Z);

    /**
     * Calculation of tke for breakup fragments
     */
    void tke_bu(G4double Z, G4double A, G4double ZALL, G4double AAL, G4double* VX, G4double* VY,
                G4double* VZ);

    /**
     * Calculation of the angular momentum of breakup fragments
     * according to Goldhaber model
     */
    void AMOMENT(G4double AABRA, G4double APRF, G4int IMULTIFR, G4double* PX, G4double* PY,
                 G4double* PZ);

    /**
     * Calculation of particle emission barriers.
     */
    void barrs(G4int Z1, G4int A1, G4int Z2, G4int A2, G4double* sBARR, G4double* sOMEGA);

    /**
     * Calculation of particle emission between the saddle and scission point.
     */
    void evap_postsaddle(G4double A, G4double Z, G4double E_scission_pre, G4double* E_scission_post,
                         G4double* A_scission, G4double* Z_scission, G4double& vx_eva,
                         G4double& vy_eva, G4double& vz_eva, G4int* NbLam0_par);

    /**
     * Calculation of imfs.
     */
    void imf(G4double ACN, G4double ZCN, G4double TEMP, G4double EE, G4double* ZIMF, G4double* AIMF,
             G4double* BIMF, G4double* SBIMF, G4double* TIMF, G4double JPRF);

    /**
     * Calculation of omega at saddle point.
     */
    void fomega_sp(G4double AF, G4double Y, G4double* MFCD, G4double* sOMEGA, G4double* sHOMEGA);

    /**
     * Calculation of omega at ground state.
     */
    void fomega_gs(G4double AF, G4double ZF, G4double* K1, G4double* sOMEGA, G4double* sHOMEGA);

    /**
     * Calculation of tunnelling effect in fission.
     */
    G4double tunnelling(G4double A, G4double ZPRF, G4double Y, G4double EE, G4double EF,
                        G4double TEMP, G4double DENSG, G4double DENSF, G4double ENH_FACT);

    /**
     * Calculation of fission width at the saddle point according to B&W.
     */
    void fission_width(G4double ZPRF, G4double A, G4double EE, G4double BS, G4double BK,
                       G4double EF, G4double Y, G4double* GF, G4double* TEMP, G4double JPR,
                       G4int IEROT, G4int FF_ALLOWED, G4int OPTCOL, G4int OPTSHP, G4double DENSG);

    /**
     * Calculation of unbound nuclei.
     */
    void unbound(G4double SN, G4double SP, G4double SD, G4double ST, G4double SHE, G4double SA,
                 G4double BP, G4double BD, G4double BT, G4double BHE, G4double BA, G4double* PROBF,
                 G4double* PROBN, G4double* PROBP, G4double* PROBD, G4double* PROBT,
                 G4double* PROBHE, G4double* PROBA, G4double* PROBIMF, G4double* PROBG,
                 G4double* ECN, G4double* ECP, G4double* ECD, G4double* ECT, G4double* ECHE,
                 G4double* ECA);

    /**
     * Calculation of the fission distribution.
     */
    void fissionDistri(G4double& a, G4double& z, G4double& e, G4double& a1, G4double& z1,
                       G4double& e1, G4double& v1, G4double& a2, G4double& z2, G4double& e2,
                       G4double& v2, G4double& vx_eva_sc, G4double& vy_eva_sc, G4double& vz_eva_sc,
                       G4int* NbLam0_par);

    /**
     * Calculation of even-odd effects in fission.
     */
    void even_odd(G4double r_origin, G4double r_even_odd, G4int& i_out);

    /**
     * Functions for the fission model.
     */
    G4double umass(G4double z, G4double n, G4double beta);
    G4double ecoul(G4double z1, G4double n1, G4double beta1, G4double z2, G4double n2,
                   G4double beta2, G4double d);
    G4double Uwash(G4double E, G4double Ecrit, G4double Freduction, G4double gamma);
    G4double frldm(G4double z, G4double n, G4double beta);
    G4double eflmac_profi(G4double a, G4double z);
    G4double gausshaz(G4int k, G4double xmoy, G4double sig);
    G4double haz(G4int k);

    /**
     * Level density parameters.
     */
    void densniv(G4double a, G4double z, G4double ee, G4double ef, G4double* dens, G4double bshell,
                 G4double bs, G4double bk, G4double* temp, G4int optshp, G4int optcol,
                 G4double defbet, G4double* ecor, G4double jprf, G4int ifis, G4double* qr);

    /**
     * Calculation of the fission probability modified by transient time effects.
     */
    void part_fiss(G4double BET, G4double GP, G4double GF, G4double Y, G4double TAUF, G4double TS1,
                   G4double TSUM, G4int* CHOICE, G4double ZF, G4double AF, G4double FT,
                   G4double* T_LAPSE, G4double* GF_LOC);

    G4double func_trans(G4double TIME, G4double ZF, G4double AF, G4double BET, G4double Y,
                        G4double FT, G4double T_0);

    /**
     * This subroutine calculates the ordinary legendre polynomials of
     * order 0 to n-1 of argument x and stores them in the vector pl.
     * They are calculated by recursion relation from the first two
     * polynomials.
     * Written by A.J.Sierk  LANL  t-9  February, 1984
     */
    void lpoly(G4double x, G4int n, G4double pl[]);

    /**
     * This function will calculate the liquid-drop nuclear mass for spheri
     * configuration according to the preprint NUCLEAR GROUND-STATE
     * MASSES and DEFORMATIONS by P. Mo"ller et al. from August 16, 1993 p.
     * All constants are taken from this publication for consistency.
     */
    G4double eflmac(G4int ia, G4int iz, G4int flag, G4int optshp);

    /**
     * Procedure for calculating the pairing correction to the binding
     * energy of a specific nucleus.
     */
    void appariem(G4double a, G4double z, G4double* del);

    /**
     * PROCEDURE FOR CALCULATING THE PARITY OF THE NUMBER N.
     * RETURNS -1 IF N IS ODD AND +1 IF N IS EVEN
     */
    void parite(G4double n, G4double* par);

    /**
     * RISE TIME IN WHICH THE FISSION WIDTH HAS REACHED
     * 90 PERCENT OF ITS FINAL VALUE
     */
    G4double tau(G4double bet, G4double homega, G4double ef, G4double t);

    /**
     * KRAMERS FAKTOR  - REDUCTION OF THE FISSION PROBABILITY
     * INDEPENDENT OF EXCITATION ENERGY
     */
    G4double cram(G4double bet, G4double homega);

    /**
     * CALCULATION OF THE SURFACE BS OR CURVATURE BK OF A NUCLEUS
     * RELATIVE TO THE SPHERICAL CONFIGURATION
     * BASED ON  MYERS, DROPLET MODEL FOR ARBITRARY SHAPES
     */
    G4double bipol(G4int iflag, G4double y);

    /**
     * THIS SUBROUTINE RETURNS THE BARRIER HEIGHT BFIS, THE
     * GROUND-STATE ENERGY SEGS, IN MEV, AND THE ANGULAR MOMENTUM
     * AT WHICH THE FISSION BARRIER DISAPPEARS, LMAX, IN UNITS OF
     * H-BAR, WHEN CALLED WITH INTEGER AGUMENTS IZ, THE ATOMIC
     * NUMBER, IA, THE ATOMIC MASS NUMBER, AND IL, THE ANGULAR
     * MOMENTUM IN UNITS OF H-BAR. (PLANCK'S CONSTANT DIVIDED BY
     * 2*PI).
     */
    void barfit(G4int iz, G4int ia, G4int il, G4double* sbfis, G4double* segs, G4double* selmax);

    /**
     * Calculation of decay widths for light particles.
     */
    G4double width(G4double AMOTHER, G4double ZMOTHER, G4double APART, G4double ZPART,
                   G4double TEMP, G4double B1, G4double SB1, G4double EXC);

    /**
     * Calculation of penetration factors for light charged particles.
     */
    G4double pen(G4double A, G4double ap, G4double omega, G4double T);

    /**
     * Calculation of mean value of orbital angular momentum.
     */
    void lorb(G4double AMOTHER, G4double ADAUGHTER, G4double LMOTHER, G4double EEFINAL,
              G4double* LORBITAL, G4double* SIGMA_LORBITAL);

    /**
     * Calculation of BS and BK for the nuclear-level density.
     */
    void bsbkbc(G4double A, G4double Z, G4double* BS, G4double* BK, G4double* BC);

    /**
     * Special functions used for the emission of particles.
     */
    G4double erf(G4double x);

    G4double gammp(G4double a, G4double x);

    void gcf(G4double* gammcf, G4double a, G4double x, G4double gln);

    void gser(G4double* gamser, G4double a, G4double x, G4double gln);

    G4double fvmaxhaz(G4double T);

    G4double fvmaxhaz_neut(G4double x);

    /**
     * Random numbers.
     */
    void standardRandom(G4double* rndm, G4long* seed);

    /**
     * LOGARITHM OF THE GAMM FUNCTION
     */
    G4double gammln(G4double xx);

    /**
     * DISTRIBUTION DE MAXWELL
     */
    G4double fd(G4double E);

    /**
     *FONCTION INTEGRALE DE FD(E)
     */
    G4double f(G4double E);

    /**
     * tirage aleatoire dans une maxwellienne
     */
    G4double fmaxhaz(G4double T);

    /**
     * tirage aleatoire dans une maxwellienne
     */
    G4double fmaxhaz_old(G4double T);

    /**
     * Random generator according to the
       powerfunction y = x**(lambda) in the range from xmin to xmax
     */
    G4int IPOWERLIMHAZ(G4double lambda, G4int xmin, G4int xmax);

    /**
     *
     */
    void guet(G4double* x_par, G4double* z_par, G4double* find_par);

    /**
     * Limits of existing nuclei
     */
    void isostab_lim(G4int z, G4int* nmin, G4int* nmax);

    /**
     * Fill the data array for INCL
     */
    void FillData(G4int IMULTBU, G4int IEV_TAB);

    /**
     * Separation energies of lambda
     */
    G4double gethyperseparation(G4double A, G4double Z, G4int ny);

    /**
     * Separation energies of for other particles for hypernuclei
     */
    G4double getdeltabinding(G4double a, G4int nblamb);
    G4double gethyperbinding(G4double A, G4double Z, G4int ny);

  public:
    // Utils
    G4int min(G4int a, G4int b);
    G4double min(G4double a, G4double b);
    G4int max(G4int a, G4int b);
    G4double max(G4double a, G4double b);
    G4double DSIGN(G4double a, G4double b);
    G4int ISIGN(G4int a, G4int b);
    G4int nint(G4double number);
    G4int secnds(G4int x);
    G4int mod(G4int a, G4int b);
    G4double dmod(G4double a, G4double b);
    G4double dint(G4double a);
    G4int idint(G4double a);
    G4int idnint(G4double value);
    G4double utilabs(G4double a);
    G4double dmin1(G4double a, G4double b, G4double c);

  private:
    G4int verboseLevel;
    G4int ilast;
    G4double T_freeze_out_in;
    G4int IEV_TAB_SSC;
    G4double BU_TAB[indexpart][12], EV_TAB[indexpart][6], EV_TAB_SSC[indexpart][6];
    G4int gammaemission;
    G4double T_freeze_out;
    std::unique_ptr<G4Ald> ald;
    std::unique_ptr<G4Ec2sub> ec2sub;
    std::unique_ptr<G4Ecld> ecld;
    std::unique_ptr<G4Mexp> masses;
    std::unique_ptr<G4Fb> fb;
    std::unique_ptr<G4Fiss> fiss;
    std::unique_ptr<G4Opt> opt;
    G4VarNtp* varntp;
    G4int Ainit, Zinit, Sinit;
};
