export default class Icms {

    public csosn: string;
    public cst: string;
    public orig: string;
    public modbc: string;
    public cbenef: string;
    public modbcst: string;
    public picms: number;
    public picmsst: number;
    public predbc: number;
    public predbcst: number;
    public pfcp: number;
    public pfcpst: number;
    public vbc: number;
    public vbcst: number;
    public vicms: number;
    public vicmsst: number;
    public vbcprod: number;
    public vfcp: number;
    public vfcpst: number;
    public vfcpstret: number;
    public vicmsdeson: number;
    public pmvast: number;
    public pbc: number;
    public motdesicms : string;
    public pst : number;
    public pcredsn: number;
    public vcredicmssn: number;
    public vicmsop: number;
    public vicmsdif: number;
    public pdif: number;

    constructor(json) {
        json = json || {};
        switch (json.crtEmpresa) {
            case '1':
                this.csosn = json.csosn || '102';
                break;
        
            case '2':
                this.cst = json.cst || '00';
                break;
            
            case '3':
                this.cst = json.cst || '00';
                break;

            default:
                this.csosn = json.csosn || '102';
                this.cst = json.cst || '00';
                break;
        }

        this.orig = json.orig || '0';
        this.modbc = json.modbc || '3';
        this.modbcst = json.modbcst || '4';
        this.picms = json.picms || 0.0;
        this.picmsst = json.picmsst || 0.0;
        this.predbc = json.predbc || 0.0;
        this.predbcst = json.predbcst || 0.0;
        this.pfcp = json.pfcp || 0.0;
        this.vbc = json.vbc || 0.0;
        this.vbcst = json.vbcst || 0.0;
        this.vicms = json.vicms || this.vbc * (this.picms || 0) / 100;
        this.vicmsst = json.vicmsst || this.vbcst * (this.picmsst || 0) / 100;
        this.vbcprod = json.vbcprod || 0.0;
        this.vfcp = json.vfcp || 0.0;
        this.vfcpst = json.vfcpst || 0.0;
        this.pmvast = json.pmvast || 0.0;
        this.vfcpstret = json.vfcpstret || 0.0;
        this.vicmsdeson = json.vicmsdeson || 0.0;
        this.pbc = json && json.pbc || 0.0;
        this.cbenef = json && json.cbenef || '';
        this.motdesicms = json && json.motdesicms || '';
        this.pst = json && json.pst || 0.0;
        this.pcredsn = json && json.pcredsn || 0.0;
        this.vcredicmssn = json && json.vcredicmssn || 0.0;
        this.vicmsop = json && json.vicmsop || 0.0;
        this.vicmsdif = json && json.vicmsdif || 0.0;
        this.pdif = json && json.pdif || 0.0;
    }

    public recalc(value: ({ valor_unitario: number, quantidade: number, extra: number, vipi: number })) {
        if (this.modbc == '3')
            this.vbcprod = value.valor_unitario || 0.0;
        if (this.csosn == '900') {
           if (this.pcredsn > 0) {
              this.vcredicmssn = (value.valor_unitario * (value.quantidade || 1)) * this.pcredsn;
           } else if (this.predbc > 0) {
               this.vbcst = (((value.valor_unitario * (value.quantidade || 1)) + value.extra) * (1 + this.pmvast / 100)) * (1 - (this.predbc / 100));
               this.vicmsst = this.vbcst * (this.picmsst / 100);
           }
        } else if (((this.cst && ['10','30','70','90'].find(i => i == this.cst)) ||
            (this.csosn && ['201','202','203'].find(i => i == this.csosn))) &&
            this.pmvast > 0  && this.predbcst > 0 && this.picmsst > 0) {
           this.vbcst = (((value.valor_unitario * (value.quantidade || 1)) + value.extra) * (1 + this.pmvast / 100)) * (1 - (this.predbc / 100));
           this.vicmsst = this.vbcst * (this.picmsst / 100);
        } else if (this.cst == '51' && this.predbc > 0 && this.picms > 0 && this.pdif > 0) {
            this.vbcst = (((value.valor_unitario * (value.quantidade || 1)) + value.extra) * (1 + this.pmvast / 100)) * (1 - (this.predbc / 100));
            this.vicmsop = this.vbc * (this.picms / 100);
            this.vicmsdif = this.vicmsop * (this.pdif / 100);
            this.vicms = this.vicmsop - this.vicmsdif;
        } else if (this.csosn && ['101','201'].find(i => i == this.csosn) && this.pcredsn > 0) {
            this.vcredicmssn = (value.valor_unitario * (value.quantidade || 1)) * this.pcredsn;
        } else if (this.cst && ['20','90'].find(i => i == this.cst) && this.predbc > 0 && this.picms > 0) {
            this.vbc = ((this.vbcprod * (value.quantidade || 1)) + (value.extra || 0.0)) * (1 - (this.predbc / 100));
            this.vicms = this.vbc * (this.picms / 100);
        } else if (this.cst && ['00','10','70','90'].find(i => i == this.cst) && this.picms > 0) {
            this.vbc = (this.vbcprod * (value.quantidade || 1)) + (value.extra || 0.0);
            this.vicms = this.vbc * (this.picms / 100);
        } else {
            this.vicmsst = this.vbcst * this.picmsst / 100;
        }

        if (this.cst != null && !(this.cst && ['00','10','70','90'].find(i => i == this.cst) && this.picms > 0) &&
            !(this.cst && ['20','90'].find(i => i == this.cst) && this.predbc > 0 && this.picms > 0)) {
            this.vbc = (this.vbcprod * value.quantidade || 1) + (value.extra || 0.0) + (value.vipi || 0);
            if (!(this.cst == '51' && this.predbc > 0 && this.picms > 0 && this.pdif > 0))
                this.vicms = this.vbc * this.picms / 100;
        }

        if (this.cst != null && !(this.cst == '51' && this.predbc > 0 && this.picms > 0 && this.pdif > 0) &&
            !(((this.cst && ['10','30','70','90'].find(i => i == this.cst)) ||
            (this.csosn && ['201','202','203'].find(i => i == this.csosn))) &&
            this.pmvast > 0  && this.predbcst > 0 && this.picmsst > 0) &&
            !(this.csosn == '900' && this.predbc > 0)) {
            this.vbcst = this.vbc * (1 + (this.pmvast / 100));
            if (this.predbc != 0)
                this.vbcst *= (1 - this.predbc / 100);
        }

        this.predbcst = this.predbc;
        this.vfcp = this.vbc * this.pfcp / 100;
        this.vfcpst = this.vbcst * this.pfcpst / 100;
        //TO DO this.vfcpstret;
        let aliquota;

        if (this.motdesicms) aliquota = ((this.picms || 0 ) + (this.pfcp || 0)) / 100;

        if (this.cst == '20')
          this.vicmsdeson = aliquota ? this.vbc * ((1 - (aliquota * (1 - (this.predbc / 100)))) / (1 - aliquota)) - this.vbc : 0.0;
        else if (this.cst == '40')
          this.vicmsdeson = aliquota ? (this.vbc / (1 - aliquota)) * aliquota : 0.0;

        this.zeraItensIndisponiveis(this);
    }

    fromProduto(impostoProduto?){
        if (impostoProduto.crtEmpresa == 1)
          this.csosn = impostoProduto && impostoProduto.csosn || '102';
        else
          this.cst = impostoProduto && impostoProduto.cst || '00';
        this.orig = impostoProduto && impostoProduto.orig || '0';
        this.modbc = impostoProduto && impostoProduto.mobc || '3';
        this.modbcst = impostoProduto && impostoProduto.modbcst || '4';
        this.picms = impostoProduto && impostoProduto.picms || 0.0;
        this.picmsst = impostoProduto && impostoProduto.picmsst || 0.0;
        this.predbc = impostoProduto && impostoProduto.predbc || 0.0;
        this.predbcst = impostoProduto && impostoProduto.predbcst || 0.0;
        this.pfcp = impostoProduto && impostoProduto.pfcp || 0.0;
        this.pbc = impostoProduto && impostoProduto.pbc || 0.0;
    }

    zeraItensIndisponiveis(icms?) {
        let propertiesAvaibles = this.isFieldAvailableForCst(icms.cst || icms.csosn);
        Object.getOwnPropertyNames(icms).map(prop => {
            if ((prop == 'cst' || prop == 'csosn') && !propertiesAvaibles[prop]) return;
            return icms[prop] = propertiesAvaibles[prop] ? icms[prop] : 0;
        });
    }

    isFieldAvailableForCst(cst?) {
        return {
            orig:         ['00','10','20','30','40','41','50','51','60','70','90',
                           '101','102','103','201','202','203','300','400','500','900'].includes(cst),
            cst:          ['00','10','20','30','40','41','50','51','60','70','90'].includes(cst),
            csosn:        ['101','102','103','201','202','203','300','400','500','900'].includes(cst),
            modbc:        ['00','10','20','51','70','90','900'].includes(cst),
            predbc:       ['20','70','90','900'].includes(cst),
            vbc:          ['00','10','20','51','70','90','900'].includes(cst),
            picms:        ['00','10','20','40','41','50','51','70','90','900'].includes(cst),
            vicms:        ['00','10','20','40','41','50','51','70','90','900'].includes(cst),
            modbcst:      ['10','30','70','90','201','202','203','900'].includes(cst),
            pmvast:       ['10','30','70','90','201','202','203','900'].includes(cst),
            predbcst:     ['10','30','70','90','201','202','203','900'].includes(cst),
            vbcst:        ['10','30','70','90','201','202','203','900'].includes(cst),
            picmsst:      ['10','30','70','90','201','202','203','900'].includes(cst),
            vicmsst:      ['10','30','70','90','201','202','203','900'].includes(cst),
            vbcstret:     ['60','90','500','900'].includes(cst),
            pcredsn:      ['101','201','900'].includes(cst),
            vcredicmssn:  ['101','201','900'].includes(cst),
            vicmsstdesti: ['41','90','900'].includes(cst),
            vbcstdest:    ['41','90','900'].includes(cst),
            motdesicms:   ['20', '30','40','90','900'].includes(cst),
            vicmsstret:   ['41','60','90','500'].includes(cst),
            pbcop:        ['90','900'].includes(cst),
            ufst:         ['90','900'].includes(cst),
            pbc:          ['00','10','20','51','70','90','900'].includes(cst),
            pst:          ['60','500'].includes(cst),
            vbcfcp:       ['10','20','51','70','90'].includes(cst),
            pfcp:         ['00','10','20','51','70','90'].includes(cst),
            vfcp:         ['00','10','20','51','70','90'].includes(cst),
            vbcfcpst:     ['10','30','70','90','201','202','900'].includes(cst),
            pfcpst:       ['10','30','70','90','201','202','900'].includes(cst),
            vfcpst:       ['10','30','70','90','201','202','900'].includes(cst),
            vbcfcpstret:  ['60','500'].includes(cst),
            pfcpstret:    ['60','500'].includes(cst),
            vfcpstret:    ['60','500'].includes(cst),
            vicmsdeson:   ['20', '30','40','90','900'].includes(cst)
        };
    }
}