#!/usr/bin/env python

import os
import json
import sys
import errno
from collections import defaultdict
import urllib

import _pathfix

from mhapi.db import MHDB
from mhapi import model


def mkdirs_p(path):
    try:
        os.makedirs(path)
    except OSError as e:
        if e.errno != errno.EEXIST:
            raise


SAFE_CHARS = " &'+\""


def file_path(path, model_object, use_name=False):
    if use_name and "name" in model_object:
        key = urllib.quote(model_object.name.encode("utf8"), SAFE_CHARS)
    else:
        key = str(model_object.id)
    return os.path.join(path, "%s.json" % key)


def write_list_file(path, model_list):
    list_path = os.path.join(path, "_list.json")
    with open(list_path, "w") as f:
        json.dump([o.as_list_data() for o in model_list],
                  f, cls=model.ModelJSONEncoder, indent=2)


def write_index_file(path, indexes):
    for key, data in indexes.iteritems():
        index_path = os.path.join(path, "_index_%s.json" % key)
        with open(index_path, "w") as f:
            json.dump(data, f, cls=model.ModelJSONEncoder, indent=2)


def write_all_file(path, all_data):
    all_path = os.path.join(path, "_all.json")
    with open(all_path, "w") as f:
        json.dump(all_data, f, cls=model.ModelJSONEncoder, indent=2)


def monster_json(db, path):
    monsters = db.get_monsters()
    mkdirs_p(path)
    write_list_file(path, monsters)

    indexes = {}
    for m in monsters:
        monster_path = file_path(path, m)
        m.update_indexes(indexes)
        data = m.as_data()
        damage = db.get_monster_damage(m.id)
        damage.set_breakable(db.get_monster_breaks(m.id))
        data["damage"] = damage.as_data()
        with open(monster_path, "w") as f:
            json.dump(data, f, cls=model.ModelJSONEncoder, indent=2)

    write_index_file(path, indexes)


def armor_json(db, path):
    armors = db.get_armors()
    mkdirs_p(path)
    write_list_file(path, armors)
    all_data = []

    indexes = {}
    for a in armors:
        armor_path = file_path(path, a)
        a.update_indexes(indexes)
        skills = db.get_item_skills(a.id)
        if not skills:
            print "WARN: armor '%s' (%d) has no skills" % (a.name, a.id)
        a.set_skills(skills)

        all_data.append(a.as_data())

        with open(armor_path, "w") as f:
            a.json_dump(f)

    write_index_file(path, indexes)
    write_all_file(path, all_data)


def decoration_json(db, path):
    decorations = db.get_decorations()
    mkdirs_p(path)
    write_list_file(path, decorations)
    all_data = []

    indexes = {}
    for a in decorations:
        decoration_path = file_path(path, a)
        a.update_indexes(indexes)
        skills = db.get_item_skills(a.id)
        if not skills:
            print "WARN: decoration '%s' (%d) has no skills" % (a.name, a.id)
        a.set_skills(skills)

        all_data.append(a.as_data())

        with open(decoration_path, "w") as f:
            a.json_dump(f)

    write_index_file(path, indexes)
    write_all_file(path, all_data)


def skilltree_json(db, path):
    skill_trees = db.get_skill_trees()
    mkdirs_p(path)
    write_list_file(path, skill_trees)

    all_data = {}
    for st in skill_trees:
        ds = db.get_decorations_by_skills([st.id])
        for d in ds:
            d.set_skills(db.get_item_skills(d.id))
        st.set_decorations(ds)
        skilltree_path = file_path(path, st)
        all_data[st.name] = st
        with open(skilltree_path, "w") as f:
            st.json_dump(f)

    write_all_file(path, all_data)


def weapon_json(db, path):
    weapons = db.get_weapons(get_components=True)
    mkdirs_p(path)
    write_list_file(path, weapons)

    indexes = {}
    for w in weapons:
        weapon_path = file_path(path, w)
        w.update_indexes(indexes)
        with open(weapon_path, "w") as f:
            w.json_dump(f)

        tree_path = os.path.join(path, "%s_tree.json" % w.id)
        costs = model.get_costs(db, w)
        for cost in costs:
            cost["path"] = [dict(name=w.name, id=w.id)
                            for w in cost["path"]]
        with open(tree_path, "w") as f:
            json.dump(costs, f, cls=model.ModelJSONEncoder, indent=2)

    write_index_file(path, indexes)


def items_json(db, path):
    items = db.get_items()
    mkdirs_p(path)
    write_list_file(path, items)

    indexes = {}
    for item in items:
        item_path = file_path(path, item)
        item.update_indexes(indexes)
        with open(item_path, "w") as f:
            item.json_dump(f)

    write_index_file(path, indexes)


def main():
    db = MHDB(_pathfix.db_path)

    if len(sys.argv) > 1:
        outpath = sys.argv[1]
    else:
        outpath = os.path.join(_pathfix.web_path, "jsonapi")

    weapon_json(db, os.path.join(outpath, "weapon"))
    sys.exit(0)

    items_json(db, os.path.join(outpath, "item"))
    monster_json(db, os.path.join(outpath, "monster"))
    armor_json(db, os.path.join(outpath, "armor"))
    skilltree_json(db, os.path.join(outpath, "skilltree"))
    decoration_json(db, os.path.join(outpath, "decoration"))

    #quest_json(db, os.path.join(outpath, "quest"))


if __name__ == '__main__':
    main()