%global __brp_check_rpaths %{nil}
%global __requires_exclude ^libmpi
%global packname  fasster
%global packver   0.2.0
%global rlibdir   /usr/local/lib/R/library

Name:             R-CRAN-%{packname}
Version:          0.2.0
Release:          1%{?dist}%{?buildtag}
Summary:          Fast Additive Switching of Seasonality, Trend, and Exogenous Regressors

License:          GPL-3
URL:              https://cran.r-project.org/package=%{packname}
Source0:          %{url}&version=%{packver}#/%{packname}_%{packver}.tar.gz


BuildRequires:    R-devel >= 4.1.0
Requires:         R-core >= 4.1.0
BuildArch:        noarch
BuildRequires:    R-CRAN-dplyr >= 1.0.0
BuildRequires:    R-CRAN-tsibble >= 0.9.0
BuildRequires:    R-CRAN-fabletools >= 0.2.0
BuildRequires:    R-CRAN-dlm 
BuildRequires:    R-CRAN-purrr 
BuildRequires:    R-CRAN-rlang 
BuildRequires:    R-stats 
BuildRequires:    R-CRAN-distributional 
BuildRequires:    R-CRAN-vctrs 
Requires:         R-CRAN-dplyr >= 1.0.0
Requires:         R-CRAN-tsibble >= 0.9.0
Requires:         R-CRAN-fabletools >= 0.2.0
Requires:         R-CRAN-dlm 
Requires:         R-CRAN-purrr 
Requires:         R-CRAN-rlang 
Requires:         R-stats 
Requires:         R-CRAN-distributional 
Requires:         R-CRAN-vctrs 

%description
Implementation of the FASSTER (Forecasting with Additive Switching of
Seasonality, Trend, and Exogenous Regressors) model for forecasting time
series with multiple seasonal patterns. The model combines state space
methodology with a switching component in the observation equation to
allow flexible modeling of complex seasonal patterns, including
time-varying effects and multiple seasonalities.

%prep
%setup -q -c -n %{packname}

# fix end of executable files
find -type f -executable -exec grep -Iq . {} \; -exec sed -i -e '$a\' {} \;
# prevent binary stripping
[ -d %{packname}/src ] && find %{packname}/src -type f -exec \
  sed -i 's@/usr/bin/strip@/usr/bin/true@g' {} \; || true
[ -d %{packname}/src ] && find %{packname}/src/Make* -type f -exec \
  sed -i 's@-g0@@g' {} \; || true
# don't allow local prefix in executable scripts
find -type f -executable -exec sed -Ei 's@#!( )*/usr/local/bin@#!/usr/bin@g' {} \;

%build

%install

mkdir -p %{buildroot}%{rlibdir}
%{_bindir}/R CMD INSTALL -l %{buildroot}%{rlibdir} %{packname}
test -d %{packname}/src && (cd %{packname}/src; rm -f *.o *.so)
rm -f %{buildroot}%{rlibdir}/R.css
# remove buildroot from installed files
find %{buildroot}%{rlibdir} -type f -exec sed -i "s@%{buildroot}@@g" {} \;

%files
%{rlibdir}/%{packname}