use std::io::File;

use support::{ProjectBuilder, ResultTest, project, execs, main_file, paths};
use support::{escape_path, cargo_dir};
use support::{COMPILING, FRESH, UPDATING};
use hamcrest::{assert_that,existing_file};
use cargo;
use cargo::util::{ProcessError, process};

fn setup() {
}

fn git_repo(name: &str, callback: |ProjectBuilder| -> ProjectBuilder)
    -> Result<ProjectBuilder, ProcessError>
{
    let gitconfig = paths::home().join(".gitconfig");

    if !gitconfig.exists() {
        File::create(&gitconfig).write(r"
            [user]

            email = foo@bar.com
            name = Foo Bar
        ".as_bytes()).assert()
    }

    let mut git_project = project(name);
    git_project = callback(git_project);
    git_project.build();

    log!(5, "git init");
    try!(git_project.process("git").args(["init"]).exec_with_output());
    log!(5, "building git project");
    log!(5, "git add .");
    try!(git_project.process("git").args(["add", "."]).exec_with_output());
    log!(5, "git commit");
    try!(git_project.process("git").args(["commit", "-m", "Initial commit"])
                    .exec_with_output());
    Ok(git_project)
}

test!(cargo_compile_simple_git_dep {
    let project = project("foo");
    let git_project = git_repo("dep1", |project| {
        project
            .file("Cargo.toml", r#"
                [project]

                name = "dep1"
                version = "0.5.0"
                authors = ["carlhuda@example.com"]

                [[lib]]

                name = "dep1"
            "#)
            .file("src/dep1.rs", r#"
                pub fn hello() -> &'static str {
                    "hello world"
                }
            "#)
    }).assert();

    let project = project
        .file("Cargo.toml", format!(r#"
            [project]

            name = "foo"
            version = "0.5.0"
            authors = ["wycats@example.com"]

            [dependencies.dep1]

            git = "file:{}"

            [[bin]]

            name = "foo"
        "#, escape_path(&git_project.root())))
        .file("src/foo.rs", main_file(r#""{}", dep1::hello()"#, ["dep1"]));

    let root = project.root();
    let git_root = git_project.root();

    assert_that(project.cargo_process("cargo-build").arg("--verbose"),
        execs()
        .with_stdout(format!("{} git repository `file:{}`\n\
                              {} dep1 v0.5.0 (file:{})\n\
                              {} foo v0.5.0 (file:{})\n",
                             UPDATING, git_root.display(),
                             COMPILING, git_root.display(),
                             COMPILING, root.display()))
        .with_stderr(""));

    assert_that(&project.bin("foo"), existing_file());

    assert_that(
      cargo::util::process(project.bin("foo")),
      execs().with_stdout("hello world\n"));
})

test!(cargo_compile_git_dep_branch {
    let project = project("foo");
    let git_project = git_repo("dep1", |project| {
        project
            .file("Cargo.toml", r#"
                [project]

                name = "dep1"
                version = "0.5.0"
                authors = ["carlhuda@example.com"]

                [[lib]]

                name = "dep1"
            "#)
            .file("src/dep1.rs", r#"
                pub fn hello() -> &'static str {
                    "hello world"
                }
            "#)
    }).assert();

    git_project.process("git").args(["checkout", "-b", "branchy"]).exec_with_output().assert();
    git_project.process("git").args(["branch", "-d", "master"]).exec_with_output().assert();

    let project = project
        .file("Cargo.toml", format!(r#"
            [project]

            name = "foo"
            version = "0.5.0"
            authors = ["wycats@example.com"]

            [dependencies.dep1]

            git = "file:{}"
            branch = "branchy"

            [[bin]]

            name = "foo"
        "#, escape_path(&git_project.root())))
        .file("src/foo.rs", main_file(r#""{}", dep1::hello()"#, ["dep1"]));

    let root = project.root();
    let git_root = git_project.root();

    assert_that(project.cargo_process("cargo-build"),
        execs()
        .with_stdout(format!("{} git repository `file:{}`\n\
                              {} dep1 v0.5.0 (file:{})\n\
                              {} foo v0.5.0 (file:{})\n",
                             UPDATING, git_root.display(),
                             COMPILING, git_root.display(),
                             COMPILING, root.display()))
        .with_stderr(""));

    assert_that(&project.bin("foo"), existing_file());

    assert_that(
      cargo::util::process(project.bin("foo")),
      execs().with_stdout("hello world\n"));
})

test!(cargo_compile_git_dep_tag {
    let project = project("foo");
    let git_project = git_repo("dep1", |project| {
        project
            .file("Cargo.toml", r#"
                [project]

                name = "dep1"
                version = "0.5.0"
                authors = ["carlhuda@example.com"]

                [[lib]]

                name = "dep1"
            "#)
            .file("src/dep1.rs", r#"
                pub fn hello() -> &'static str {
                    "hello world"
                }
            "#)
    }).assert();

    git_project.process("git").args(["tag", "v0.1.0"]).exec_with_output().assert();
    git_project.process("git").args(["checkout", "-b", "tmp"]).exec_with_output().assert();
    git_project.process("git").args(["branch", "-d", "master"]).exec_with_output().assert();

    let project = project
        .file("Cargo.toml", format!(r#"
            [project]

            name = "foo"
            version = "0.5.0"
            authors = ["wycats@example.com"]

            [dependencies.dep1]

            git = "file:{}"
            tag = "v0.1.0"

            [[bin]]

            name = "foo"
        "#, escape_path(&git_project.root())))
        .file("src/foo.rs", main_file(r#""{}", dep1::hello()"#, ["dep1"]));

    let root = project.root();
    let git_root = git_project.root();

    assert_that(project.cargo_process("cargo-build"),
        execs()
        .with_stdout(format!("{} git repository `file:{}`\n\
                              {} dep1 v0.5.0 (file:{})\n\
                              {} foo v0.5.0 (file:{})\n",
                             UPDATING, git_root.display(),
                             COMPILING, git_root.display(),
                             COMPILING, root.display()))
        .with_stderr(""));

    assert_that(&project.bin("foo"), existing_file());

    assert_that(
      cargo::util::process(project.bin("foo")),
      execs().with_stdout("hello world\n"));
})
test!(cargo_compile_with_nested_paths {
    let git_project = git_repo("dep1", |project| {
        project
            .file("Cargo.toml", r#"
                [project]

                name = "dep1"
                version = "0.5.0"
                authors = ["carlhuda@example.com"]

                [dependencies.dep2]

                version = "0.5.0"
                path = "vendor/dep2"

                [[lib]]

                name = "dep1"
            "#)
            .file("src/dep1.rs", r#"
                extern crate dep2;

                pub fn hello() -> &'static str {
                    dep2::hello()
                }
            "#)
            .file("vendor/dep2/Cargo.toml", r#"
                [project]

                name = "dep2"
                version = "0.5.0"
                authors = ["carlhuda@example.com"]

                [[lib]]

                name = "dep2"
            "#)
            .file("vendor/dep2/src/dep2.rs", r#"
                pub fn hello() -> &'static str {
                    "hello world"
                }
            "#)
    }).assert();

    let p = project("parent")
        .file("Cargo.toml", format!(r#"
            [project]

            name = "parent"
            version = "0.5.0"
            authors = ["wycats@example.com"]

            [dependencies.dep1]

            version = "0.5.0"
            git = "file:{}"

            [[bin]]

            name = "parent"
        "#, escape_path(&git_project.root())))
        .file("src/parent.rs",
              main_file(r#""{}", dep1::hello()"#, ["dep1"]).as_slice());

    p.cargo_process("cargo-build")
        .exec_with_output()
        .assert();

    assert_that(&p.bin("parent"), existing_file());

    assert_that(
      cargo::util::process(p.bin("parent")),
      execs().with_stdout("hello world\n"));
})

test!(cargo_compile_with_short_ssh_git {
    let url = "git@github.com:a/dep";

    let project = project("project")
        .file("Cargo.toml", format!(r#"
            [project]

            name = "foo"
            version = "0.5.0"
            authors = ["wycats@example.com"]

            [dependencies.dep]

            git = "{}"

            [[bin]]

            name = "foo"
        "#, url))
        .file("src/foo.rs", main_file(r#""{}", dep1::hello()"#, ["dep1"]));

    assert_that(project.cargo_process("cargo-build"),
        execs()
        .with_stdout("")
        .with_stderr(format!("Cargo.toml is not a valid manifest\n\n\
                              invalid url `{}`: `url: Invalid character in scheme.\n", url)));
})

test!(recompilation {
    let git_project = git_repo("bar", |project| {
        project
            .file("Cargo.toml", r#"
                [project]

                name = "bar"
                version = "0.5.0"
                authors = ["carlhuda@example.com"]

                [[lib]]
                name = "bar"
            "#)
            .file("src/bar.rs", r#"
                pub fn bar() {}
            "#)
    }).assert();

    let p = project("foo")
        .file("Cargo.toml", format!(r#"
            [project]

            name = "foo"
            version = "0.5.0"
            authors = ["wycats@example.com"]

            [dependencies.bar]

            version = "0.5.0"
            git = "file:{}"

            [[bin]]

            name = "foo"
        "#, escape_path(&git_project.root())))
        .file("src/foo.rs",
              main_file(r#""{}", bar::bar()"#, ["bar"]).as_slice());

    // First time around we should compile both foo and bar
    assert_that(p.cargo_process("cargo-build"),
                execs().with_stdout(format!("{} git repository `file:{}`\n\
                                             {} bar v0.5.0 (file:{})\n\
                                             {} foo v0.5.0 (file:{})\n",
                                            UPDATING, git_project.root().display(),
                                            COMPILING, git_project.root().display(),
                                            COMPILING, p.root().display())));

    // Don't recompile the second time
    assert_that(p.process(cargo_dir().join("cargo-build")),
                execs().with_stdout(format!("{} bar v0.5.0 (file:{})\n\
                                             {} foo v0.5.0 (file:{})\n",
                                            FRESH, git_project.root().display(),
                                            FRESH, p.root().display())));

    // Modify a file manually, shouldn't trigger a recompile
    File::create(&git_project.root().join("src/bar.rs")).write_str(r#"
        pub fn bar() { println!("hello!"); }
    "#).assert();

    assert_that(p.process(cargo_dir().join("cargo-build")),
                execs().with_stdout(format!("{} bar v0.5.0 (file:{})\n\
                                             {} foo v0.5.0 (file:{})\n",
                                            FRESH, git_project.root().display(),
                                            FRESH, p.root().display())));

    assert_that(p.process(cargo_dir().join("cargo-build")).arg("-u"),
                execs().with_stdout(format!("{} git repository `file:{}`\n\
                                             {} bar v0.5.0 (file:{})\n\
                                             {} foo v0.5.0 (file:{})\n",
                                            UPDATING, git_project.root().display(),
                                            FRESH, git_project.root().display(),
                                            FRESH, p.root().display())));

    // Commit the changes and make sure we trigger a recompile
    File::create(&git_project.root().join("src/bar.rs")).write_str(r#"
        pub fn bar() { println!("hello!"); }
    "#).assert();
    git_project.process("git").args(["add", "."]).exec_with_output().assert();
    git_project.process("git").args(["commit", "-m", "test"]).exec_with_output()
               .assert();

    assert_that(p.process(cargo_dir().join("cargo-build")).arg("-u"),
                execs().with_stdout(format!("{} git repository `file:{}`\n\
                                             {} bar v0.5.0 (file:{})\n\
                                             {} foo v0.5.0 (file:{})\n",
                                            UPDATING, git_project.root().display(),
                                            COMPILING, git_project.root().display(),
                                            COMPILING, p.root().display())));
})