import collections
import multiprocessing
import os
import platform

# Make flavors, across the various kinds of Windows environments & POSIX...
if "MSYSTEM" in os.environ:  # MSYS
    MAKE_CMD = "make"
    MAKE_GENERATOR = "MSYS Makefiles"
elif os.name == "nt":  # other Windows
    MAKE_CMD = "mingw32-make"
    MAKE_GENERATOR = "MinGW Makefiles"
elif platform.system() == "FreeBSD":
    MAKE_CMD = "gmake"
    MAKE_GENERATOR = "Unix Makefiles"
else:
    MAKE_CMD = "make"
    MAKE_GENERATOR = "Unix Makefiles"

GENERATORS = collections.OrderedDict([
    # - command: build command line
    # - version: version command line
    # - dry_run: command to run in dry run mode
    # - verbose_flag: verbose flag
    ("Ninja", {
        "command": ["ninja"],
        "version": ["ninja", "--version"],
        "dry_run": ["ninja", "-n"],
        "verbose_flag": "-v"
    }),
    (MAKE_GENERATOR, {
        "command": [MAKE_CMD, "-j", str(multiprocessing.cpu_count() + 2)],
        "version": [MAKE_CMD, "--version"],
        "dry_run": [MAKE_CMD, "-n"],
        "verbose_flag": "VERBOSE=1",
    })
])

SUPPORTED_TARGETS = ["esp32", "esp32s2"]

PREVIEW_TARGETS = ["esp32s3"]