apply plugin: 'cpp'
apply plugin: 'maven-publish'
apply plugin : 'org.ysb33r.doxygen'

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'org.ysb33r.gradle:doxygen:0.2'
    }
}

def shared = 'wpilibC++'
def devices = 'wpilibC++Devices'
def sim = 'wpilibC++Sim'

// Ensure that both hal and networktables are evaluated, so that they have the binaries property. We need this to
// properly copy their archives into the final zip
evaluationDependsOn(':hal')
evaluationDependsOn(':networktables:cpp')

publishing {
    publications {
        maven(MavenPublication) {
            artifact wpilibcZip
            groupId 'edu.wpi.first.wpilib.cmake'
            artifactId 'cpp-root'
            version '1.0.0'
        }
        mavenSim(MavenPublication) {
            artifact wpilibcSimZip
            groupId 'edu.wpi.first.wpilibc.simulation'
            artifactId 'WPILibCSim'
            version '0.1.0'
        }
    }
}

model {
    components {
        wpilib_nonshared(NativeLibrarySpec) {
            targetPlatform 'arm'
            binaries.all {
                tasks.withType(CppCompile) {
                    dependsOn addNiLibraryLinks
                }
            }
            sources {
                cpp {
                    source {
                        srcDirs = ["${shared}/src", "${devices}/src"]
                        includes = ['**/*.cpp']
                    }
                    exportedHeaders {
                        srcDirs = ["${shared}/include", "${devices}/include"]
                        includes = ['**/*.h']
                    }
                    lib project: ':hal', library: 'HALAthena', linkage: 'static'
                    lib project: ':networktables:cpp', library: 'NetworkTables', linkage: 'static'
                }
            }
        }
        FRCUserProgram(NativeExecutableSpec) {
            targetPlatform 'arm'
            binaries.all {
                tasks.withType(CppCompile) {
                    dependsOn addNiLibraryLinks
                }

                cppCompiler.args '-pthread'
                linker.args '-pthread'
                cppCompiler.args '-Wno-unused-variable'
                linker.args '-Wno-unused-variable'
                linker.args '-Wl,-rpath,/opt/GenICam_v2_3/bin/Linux_armv7-a'
            }
            sources {
                cpp {
                    def dir = 'wpilibC++IntegrationTests'
                    source {
                        srcDir "${dir}/src"
                        include '*.cpp'
                    }
                    source {
                        srcDir "${dir}/src/gtest/src"
                        include 'gtest-all.cc', 'gtest_main.cc'
                    }
                    exportedHeaders {
                        srcDirs = ["${dir}/include", "${dir}/src/gtest", "${dir}/src/gtest/include", "${devices}/include", "${shared}/include", '../hal/include/HAL', '../networktables/cpp/include']
                        include '**/*.h'
                    }

                    lib library: 'wpilib_nonshared', linkage: 'static'
                    lib project: ':networktables:cpp', library: 'NetworkTables', linkage: 'static'
                    lib project: ':hal', library: 'HALAthena', linkage: 'static'
                }
            }
        }
    }
}

doxygen {
    source file("${shared}/src")
    source file("${shared}/include")
    source file("${devices}/src")
    source file("${devices}/include")
    def netTablesLoc = '../networktables/cpp'
    source file("${netTablesLoc}/include")
    source file("${netTablesLoc}/lib/Athena")
    source file("${netTablesLoc}/lib/share")
    template file('cpp.doxy')
    exclude 'pcre.h'
    exclude 'nivision.h'
}

task wpilibcZip(type: Zip) {
    description = 'Zips all of the libraries for wpilibc'
    group = 'WPILib'
    baseName = 'wpilibc'
    destinationDir = project.buildDir

    // If doxygen is available on this computer, then include the output zip
    if (checkDoxygen()) {
        from(doxygen.outputDir) {
            into 'docs'
        }
    }

    // Include the static library file and header files from this project
    binaries.withType(StaticLibraryBinarySpec) { spec ->
        spec.headerDirs.each {
            from(it) {
                into 'include'
            }
        }
        from(spec.staticLibraryFile) {
            into 'lib'
        }
    }

    // Include the static library file and header files from the networktables project
    def netTables = project(':networktables:cpp')
    netTables.binaries.withType(StaticLibraryBinarySpec) { spec ->
        spec.headerDirs.each {
            from(it) {
                into 'include'
            }
        }
        from(spec.staticLibraryFile) {
            into 'lib'
        }
    }

    // Include the static library file and shared library object from hal project
    def hal = project(':hal')
    hal.binaries.withType(StaticLibraryBinarySpec) { spec ->
        spec.headerDirs.each {
            from(it) {
                into 'include'
                // We don't want to include any of the .cpp files that are in some of the header directories
                exclude '**/*.cpp'
            }
        }
        from(spec.staticLibraryFile) {
            into 'lib'
        }
    }
    hal.binaries.withType(SharedLibraryBinarySpec) { spec ->
        from(spec.sharedLibraryFile) {
            into 'lib'
        }
    }

    // We rename the libHALAthena.so object to libHALAthena_shared.so
    rename('(libHALAthena)(.so)', '$1_shared$2')

    // Finally, include all of the shared library objects from the ni directory
    from(project.file('../ni-libraries')) {
        into 'lib'
        exclude 'genlinks'
    }
}

task wpilibcSimZip(type: Zip) {
    description 'Creates the include zip file for wpilibc'
    group 'wpilib'
    baseName 'WPILibCSim'
    destinationDir = project.buildDir
    into 'sim/include'
    from "${sim}/include"
    from "${shared}/include"
    from '../networktables/cpp/include'
    from '../hal/include'
}

// Add the dependency on the wpilib_nonsharedStaticLibrary task to the wpilibc task. Because of the gradle lifecycle,
// this cannot be done purely with dependsOn in the task, as the static library task doesn't exist yet. Same goes for
// the networkTablesStaticLibrary task and the two HAL tasks below
tasks.whenTaskAdded { task ->
    if (task.name == 'wpilib_nonsharedStaticLibrary') {
        wpilibcZip.dependsOn task
    }
}

// Add the networktables static library as a dependency
project(':networktables:cpp').tasks.whenTaskAdded { task ->
    if (task.name == 'networkTablesStaticLibrary') {
        wpilibcZip.dependsOn task
    }
}

// Add the hal static and shared libraries as a dependency
project(':hal').tasks.whenTaskAdded { task ->
    if (task.name == 'hALAthenaStaticLibrary' || task.name == 'hALAthenaSharedLibrary') {
        wpilibcZip.dependsOn task
    }
}

// If doxygen exists on the command line, then add the doxygen task as dependency of the wpilibcZip task
if (checkDoxygen()) {
    wpilibcZip.dependsOn doxygen
}

// Attempts to execute the doxygen command. If there is no exception, doxygen exists, so return true. If there's
// an IOException, it doesn't exist, so return false
boolean checkDoxygen() {
    try {
        'doxygen'.execute()
        true
    } catch (IOException e) {
        false
    }
}