def javaResourceFile = file("$buildDir/generated/java/edu/wpi/first/hal/FRCNetComm.java")
def cppResourceFile = file("$buildDir/generated/headers/hal/FRCUsageReporting.h")

def generateUsageReporting = tasks.register('generateUsageReporting') {
    def javaBase = file('src/generate/FRCNetComm.java.in')
    def cppBase = file('src/generate/FRCUsageReporting.h.in')

    def instances = file('src/generate/Instances.txt')
    def resourceType = file('src/generate/ResourceType.txt')

    inputs.file(javaBase)
    inputs.file(cppBase)
    inputs.file(instances)
    inputs.file(resourceType)

    outputs.file(javaResourceFile)
    outputs.file(cppResourceFile)

    doLast {
        def instanceTextJava = instances as String[]
        def instanceTextCpp = instances as String[]
        def resourceTextJava = resourceType as String[]
        def resourceTextCpp = resourceType as String[]

        instanceTextJava = instanceTextJava.collect {
            "    public static final int ${it};"
        }.join('\n')

        instanceTextCpp = instanceTextCpp.collect {
            "    ${it},"
        }.join('\n')

        resourceTextJava = resourceTextJava.collect {
            "    public static final int ${it};"
        }.join('\n')

        resourceTextCpp = resourceTextCpp.collect {
            "    ${it},"
        }.join('\n')

        javaResourceFile.text = javaBase.text.replace('${usage_reporting_types}', resourceTextJava).replace('${usage_reporting_instances}', instanceTextJava)
        cppResourceFile.text = cppBase.text.replace('${usage_reporting_types_cpp}', resourceTextCpp).replace('${usage_reporting_instances_cpp}', instanceTextCpp)
    }
}

ext {
    addHalDependency = { binary, shared->
        binary.tasks.withType(AbstractNativeSourceCompileTask) {
            it.dependsOn generateUsageReporting
        }
        binary.lib project: ':hal', library: 'hal', linkage: shared
    }

    nativeName = 'hal'
    setBaseName = 'wpiHal'
    devMain = 'DevMain'
    niLibraries = true
    generatedHeaders = "$buildDir/generated/headers"
    splitSetup = {
        it.tasks.withType(AbstractNativeSourceCompileTask) {
            it.dependsOn generateUsageReporting
        }
        if (it.targetPlatform.architecture.name == 'athena') {
            it.sources {
                athenaCpp(CppSourceSet) {
                    source {
                        srcDirs = ['src/main/native/athena', "$buildDir/generated/cpp"]
                        include '**/*.cpp'
                    }
                    exportedHeaders {
                        srcDir 'src/main/native/include'
                        srcDir generatedHeaders
                    }
                }
            }
        } else {
            it.sources {
                simCpp(CppSourceSet) {
                    source {
                        srcDirs 'src/main/native/sim'
                        include '**/*.cpp'
                    }
                    exportedHeaders {
                        srcDir 'src/main/native/include'
                        srcDir generatedHeaders
                    }
                }
            }
        }
    }
}

apply from: "${rootDir}/shared/jni/setupBuild.gradle"
apply from: 'simjni.gradle'

sourceSets.main.java.srcDir "${buildDir}/generated/java/"

compileJava {
    dependsOn generateUsageReporting
}

cppSourcesZip {
    from('src/main/native/athena') {
        into '/athena'
    }

    from('src/main/native/sim') {
        into '/sim'
    }

    from("$buildDir/generated/cpp") {
        into '/athena/jni'
    }

    dependsOn generateAthenaSimFiles
}

cppHeadersZip {
    dependsOn generateUsageReporting
    from(generatedHeaders) {
        into '/'
    }
}

model {
    // Exports config is a utility to enable exporting all symbols in a C++ library on windows to a DLL.
    // This removes the need for DllExport on a library. However, the gradle C++ builder has a bug
    // where some extra symbols are added that cannot be resolved at link time. This configuration
    // lets you specify specific symbols to exlude from exporting.
    exportsConfigs {
        hal(ExportsConfig) {
            x86ExcludeSymbols = ['_CT??_R0?AV_System_error', '_CT??_R0?AVexception', '_CT??_R0?AVfailure',
                                 '_CT??_R0?AVbad_cast',
                                 '_CT??_R0?AVruntime_error', '_CT??_R0?AVsystem_error', '_CTA5?AVfailure',
                                 '_TI5?AVfailure']
            x64ExcludeSymbols = ['_CT??_R0?AV_System_error', '_CT??_R0?AVexception', '_CT??_R0?AVfailure',
                                 '_CT??_R0?AVbad_cast',
                                 '_CT??_R0?AVruntime_error', '_CT??_R0?AVsystem_error', '_CTA5?AVfailure',
                                 '_TI5?AVfailure']
        }
        halJNI(ExportsConfig) {
            x86SymbolFilter = { symbols ->
                def retList = []
                symbols.each { symbol ->
                    if (symbol.startsWith('HAL_') || symbol.startsWith('Java_') || symbol.startsWith('JNI_')) {
                        retList << symbol
                    }
                }
                return retList
            }
            x64SymbolFilter = { symbols ->
                def retList = []
                symbols.each { symbol ->
                    if (symbol.startsWith('HAL_') || symbol.startsWith('Java_') || symbol.startsWith('JNI_')) {
                        retList << symbol
                    }
                }
                return retList
            }
        }
    }
}