#!/usr/bin/python
import sys
import os
os.environ['LANGUAGE'] = "en_US.UTF-8"
os.environ['LC_ALL'] = "en_US.UTF-8"
os.environ['LANG'] = "en_US.UTF-8"
import codecs

sys.path.insert(0, "../")

from solo.commands.descriptor import SoloCommandDescriptor

MAN_HEADER="""\
EQUO(1)
======
:man source:   equo {equoversion}
:man manual:   equo {equoversion}


NAME
----
equo - The Ingenuous Entropy Package Manager.


SYNOPSIS
--------
*equo* [command] [command options]


INTRODUCTION
------------
Equo is the command-line frontend of the Entropy Package Manager Library.
Installing, Removing and taking care of your system is easier than ever.
There is nothing much left to say, just try it out yourself!

USAGE
-----
Equo has a modular design, commands can be added and removed in a pluggable
way. There are however a set of built-in commands that are shipped with
the default Equo distribution.


OPTIONS
-------
*--help*::
    Show Equo Help, listing all the runtime available commands.


COMMANDS
--------
---commands---


AUTHORS
-------
Fabio Erculiani (lxnay@sabayon.org)

REPORTING BUGS
--------------
Report bugs to https://bugs.sabayon.org or directly to the author at
lxnay@sabayon.org.

SEE ALSO
--------
---also_commands---
"""

SPLIT_MAN="""\
%(name)s(1)
%(title)s
:man source:   equo {equoversion}
:man manual:   equo {equoversion}


NAME
----
%(name)s - %(description)s


SYNOPSIS
--------
%(synopsis)s


INTRODUCTION
------------
%(introduction)s


OPTIONS
-------
%(options)s


AUTHORS
-------
Fabio Erculiani (lxnay@sabayon.org)

REPORTING BUGS
--------------
Report bugs to https://bugs.sabayon.org or directly to the author at
lxnay@sabayon.org.

SEE ALSO
--------
    equo(1)%(seealso)s
"""


descriptors = SoloCommandDescriptor.obtain()
descriptors.sort(key = lambda x: x.get_name())

commands_txt = []
see_also_txt = []
split_mans = []
for descriptor in descriptors:
    klass = descriptor.get_class()
    name = descriptor.get_name()
    aliases = klass.ALIASES
    aliases_str = ", ".join(aliases)
    if aliases_str:
        aliases_str = " [%s]" % (aliases_str,)
    command_txt = "%s%s%s%s" % ("*", name, aliases_str, "*::")
    desc = descriptor.get_description()
    command_txt += "\n    %s\n" % (desc,)
    commands_txt.append(command_txt)
    try:
        man = klass([]).man()
    except NotImplementedError:
        man = None
    if man is not None:
        man['name'] = "equo-" + man['name']
        see_also_txt.append("%s(1)" % (man['name'],))
        man['title'] = "="*(len(man['name']) + 3)
        if not man.get("seealso"):
            man['seealso'] = ""
        else:
            man['seealso'] = ", " + man['seealso']
        man_txt = SPLIT_MAN % man
        split_mans.append((man['name'], man_txt))

if not see_also_txt:
    see_also_txt.append("Nothing")
man_txt = MAN_HEADER[:]
man_txt = man_txt.replace("---commands---", "\n".join(commands_txt))

see_also = ""
orig_count = 5
count = orig_count
see_also_buf = []
for entry in see_also_txt:
    if count == 0:
        count = orig_count
        see_also += ", ".join(see_also_buf)
        see_also += "\n    "
        del see_also_buf[:]
    count -= 1
    see_also_buf.append(entry)
if see_also_buf:
    see_also += ", ".join(see_also_buf)
    see_also += "\n    "

man_txt = man_txt.replace("---also_commands---", "    " + see_also)
sys.stdout.write("generating mansrc/equo.1.txt\n")
with codecs.open("mansrc/equo.1.txt", "w", encoding="UTF-8") as man_f:
    man_f.write(man_txt)

for man_name, man_txt in split_mans:
    sys.stdout.write("generating mansrc/%s.1.txt\n" % (man_name,))
    with codecs.open("mansrc/%s.1.txt" % (man_name,), "w",
         encoding="UTF-8") as man_f:
         man_f.write(man_txt)