# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

from __future__ import absolute_import
import os
import sys

sys.path.insert(1, os.path.dirname(sys.path[0]))  # noqa - don't warn about imports

from mozharness.base.log import FATAL
from mozharness.base.script import BaseScript


class Repackage(BaseScript):
    def __init__(self, require_config_file=False):
        script_kwargs = {
            "all_actions": [
                "setup",
                "repackage",
            ],
        }
        BaseScript.__init__(
            self, require_config_file=require_config_file, **script_kwargs
        )

    def setup(self):
        dirs = self.query_abs_dirs()

        self._run_tooltool()

        mar_path = os.path.join(dirs["abs_input_dir"], "mar")
        if self._is_windows():
            mar_path += ".exe"
        if mar_path and os.path.exists(mar_path):
            self.chmod(mar_path, 0o755)
        if self.config.get("run_configure", True):
            self._get_mozconfig()
            self._run_configure()

    def query_abs_dirs(self):
        if self.abs_dirs:
            return self.abs_dirs
        abs_dirs = super(Repackage, self).query_abs_dirs()
        config = self.config

        dirs = {}
        dirs["abs_input_dir"] = os.path.join(abs_dirs["base_work_dir"], "fetches")
        output_dir_suffix = []
        if config.get("locale"):
            output_dir_suffix.append(config["locale"])
        if config.get("repack_id"):
            output_dir_suffix.append(config["repack_id"])
        dirs["abs_output_dir"] = os.path.join(
            abs_dirs["abs_work_dir"], "outputs", *output_dir_suffix
        )
        for key in dirs.keys():
            if key not in abs_dirs:
                abs_dirs[key] = dirs[key]
        self.abs_dirs = abs_dirs
        return self.abs_dirs

    def repackage(self):
        config = self.config
        dirs = self.query_abs_dirs()

        subst = {
            "package-name": config["package-name"],
            # sfx-stub is only defined for Windows targets
            "sfx-stub": config.get("sfx-stub"),
            "installer-tag": config["installer-tag"],
            "stub-installer-tag": config["stub-installer-tag"],
            "wsx-stub": config["wsx-stub"],
        }
        subst.update(dirs)
        if config.get("fetch-dir"):
            subst.update({"fetch-dir": os.path.abspath(config["fetch-dir"])})

        # Make sure the upload dir is around.
        self.mkdir_p(dirs["abs_output_dir"])

        for repack_config in config["repackage_config"]:
            command = [sys.executable, "mach", "--log-no-times", "repackage"]
            command.extend([arg.format(**subst) for arg in repack_config["args"]])
            for arg, filename in repack_config["inputs"].items():
                command.extend(
                    [
                        "--{}".format(arg),
                        os.path.join(dirs["abs_input_dir"], filename),
                    ]
                )
            command.extend(
                [
                    "--output",
                    os.path.join(dirs["abs_output_dir"], repack_config["output"]),
                ]
            )
            self.run_command(
                command=command,
                cwd=dirs["abs_src_dir"],
                halt_on_failure=True,
                env=self.query_env(),
            )

    def _run_tooltool(self):
        config = self.config
        dirs = self.query_abs_dirs()
        manifest_src = os.environ.get("TOOLTOOL_MANIFEST")
        if not manifest_src:
            manifest_src = config.get("tooltool_manifest_src")
        if not manifest_src:
            return

        cmd = [
            sys.executable,
            "-u",
            os.path.join(dirs["abs_src_dir"], "mach"),
            "artifact",
            "toolchain",
            "-v",
            "--retry",
            "4",
            "--artifact-manifest",
            os.path.join(dirs["abs_src_dir"], "toolchains.json"),
        ]
        if manifest_src:
            cmd.extend(
                [
                    "--tooltool-manifest",
                    os.path.join(dirs["abs_src_dir"], manifest_src),
                ]
            )
        cache = config.get("tooltool_cache")
        if cache:
            cmd.extend(["--cache-dir", cache])
        self.info(str(cmd))
        self.run_command(cmd, cwd=dirs["abs_src_dir"], halt_on_failure=True)

    def _get_mozconfig(self):
        """assign mozconfig."""
        c = self.config
        dirs = self.query_abs_dirs()
        abs_mozconfig_path = ""

        # first determine the mozconfig path
        if c.get("src_mozconfig"):
            self.info("Using in-tree mozconfig")
            abs_mozconfig_path = os.path.join(dirs["abs_src_dir"], c["src_mozconfig"])
        else:
            self.fatal(
                "'src_mozconfig' must be in the config "
                "in order to determine the mozconfig."
            )

        # print its contents
        self.read_from_file(abs_mozconfig_path, error_level=FATAL)

        # finally, copy the mozconfig to a path that 'mach build' expects it to be
        self.copyfile(
            abs_mozconfig_path, os.path.join(dirs["abs_src_dir"], ".mozconfig")
        )

    def _run_configure(self):
        dirs = self.query_abs_dirs()
        command = [sys.executable, "mach", "--log-no-times", "configure"]
        return self.run_command(
            command=command,
            cwd=dirs["abs_src_dir"],
            output_timeout=60 * 3,
            halt_on_failure=True,
        )


if __name__ == "__main__":
    repack = Repackage()
    repack.run_and_exit()