Convert a NSIS script to WIX

Convert a about 1000 lines NSIS script to WIX script. Must do the same. Must be compile the same. Must look the same. Only the NSIS script will be provided. WIX script must be full commented. The NSIS script is only in Brazilian Portugues. We may provide NSIS script comment on English. WIX script in English is fine, but full commented only. The MSI resulted from WIX must run on sillent mode also. Must not be compile with any other tools and must not have any other external tools but as actual NSIS script use or have. We must approve the final WIX script, to do this, we must compile, install the aplication, run test from QA, unisntall application with sucess. The developper give all the rights to us over the final WIX script and its results. Please make questions before take.