#!/usr/bin/python
# -*- coding: utf-8 -*-
# ---------------------------------------------------------------------------------------------------------
# Author : Ulrich Carmesin
# Source : gitea.ucarmesin.de
# ---------------------------------------------------------------------------------------------------------
import importlib
import os
import basic.program
import basic.constants as B
# -------------------------------------------------
import utils.config_tool


def hasAttr(o, name):
    if (isinstance(o, dict)):
        if (name in o.keys()):
            return True
    elif (isinstance(o, list)):
        print("hasAttr list "+str(type(o)))
    elif hasattr(o, name):
        return True
    return False

def getAttr(o, name):
    if (isinstance(o, dict)):
        if (name in o.keys()):
            return o[name]
    elif (isinstance(o, list)):
        print("getAttr c list "+str(type(o)))
    elif hasattr(o, name):
        return o.get(name)

"""
Toolmanager
"""

def getCompAttr(comp, topic, attr, table=""):
    out = ""
    print(topic+" "+attr+" "+str(comp))
    if hasAttr(comp.conf[B.SUBJECT_CONN], topic) and hasAttr(comp.conf[B.SUBJECT_CONN][topic], attr):
        return getAttr(comp.conf[B.SUBJECT_CONN][topic], attr)
    if len(table) > 1 and hasAttr(comp.conf[B.SUBJECT_ARTS][topic], table) \
            and hasAttr(comp.conf[B.SUBJECT_ARTS][topic][table], attr):
        return getAttr(comp.conf[B.SUBJECT_ARTS][topic][table], attr)
    if hasAttr(comp.conf[B.SUBJECT_ARTS], topic) and hasAttr(comp.conf[B.SUBJECT_ARTS][topic], attr):
        print("attr "+attr+" vorhanden")
        return getAttr(comp.conf[B.SUBJECT_ARTS][topic], attr)
    raise LookupError(topic+"."+attr+" is not set in comp " + comp.name)

def getTool(technicType, comp, job):
    if technicType == B.TOPIC_NODE_DB:
        return getDbTool(job, comp)
    if technicType == B.TOPIC_NODE_CLI:
        return getCliTool(job, comp)
    if technicType == B.TOPIC_NODE_API:
        return getApiTool(job, comp)
    if technicType == B.TOPIC_NODE_FILE:
        # TODO im Allgemeinen keine konrete Implementierung aufrufen,
        # denn zu einer Komponente koennen unterschiedliche Dateien vorkommen
        return getFileTool(job, comp, "")

# class ToolManager:
def getDbTool(job, comp, dbtype=""):
    verify = int(job.getDebugLevel("db_tool"))
    dbtype = getCompAttr(comp, B.TOPIC_NODE_DB, B.ATTR_TYPE, "")
    toolname = "db"+dbtype+"_tool"
    filepath = os.path.join(job.conf.confs[B.SUBJECT_PATH][B.ATTR_PATH_PROGRAM], "utils", toolname+".py")
    #comp.m.debug(verify, "toolname "+filepath)
    if not os.path.exists(filepath):
        raise FileNotFoundError("file for tool "+toolname+" does not exist "+filepath)
    cmodul = importlib.import_module("utils."+toolname)
    class_ = getattr(cmodul, "DbFcts")
    c = class_()
    c.setComp(job, comp)
    return c

def getCliTool(job, comp):
    verify = int(job.getDebugLevel("db_tool"))
    clitype = getCompAttr(comp, B.TOPIC_NODE_CLI, B.ATTR_TYPE, "")
    toolname = "cli"+clitype+"_tool"
    filepath = os.path.join(job.conf.confs[B.SUBJECT_PATH][B.ATTR_PATH_PROGRAM], "utils", toolname+".py")
    #comp.m.debug(verify, "toolname "+filepath)
    if not os.path.exists(filepath):
        raise FileNotFoundError("file for tool "+toolname+" does not exist "+filepath)
    cmodul = importlib.import_module("utils."+toolname)
    class_ = getattr(cmodul, "CliFcts")
    c = class_()
    c.setComp(job, comp)
    return c

def getApiTool(job, comp):
    verify = int(job.getDebugLevel("db_tool"))
    apitype = getCompAttr(comp, B.TOPIC_NODE_API, B.ATTR_TYPE, "")
    toolname = "api"+apitype+"_tool"
    filepath = os.path.join(job.conf.confs[B.SUBJECT_PATH][B.ATTR_PATH_PROGRAM], "utils", toolname+".py")
    #comp.m.debug(verify, "toolname "+filepath)
    if not os.path.exists(filepath):
        raise FileNotFoundError("file for tool "+toolname+" does not exist "+filepath)
    cmodul = importlib.import_module("utils."+toolname)
    class_ = getattr(cmodul, "ApiFcts")
    c = class_()
    c.setComp(job, comp)
    return c

def getFileTool(job, comp, filenode=""):
    verify = int(job.getDebugLevel("file_tool"))
    if len(filenode) > 3 and "." in filenode and filenode[-1:] != ".":
        filetype = utils.config_tool.getAttribute(comp, filenode, B.ATTR_ARTS_TYPE, job)
    elif len(filenode) > 2 and len(filenode) < 5:
        filetype = filenode
    else:
        filetype = getCompAttr(comp, B.TOPIC_NODE_FILE, B.ATTR_TYPE, "")
    toolname = "file"+filetype+"_tool"
    filepath = os.path.join(job.conf.confs[B.SUBJECT_PATH][B.ATTR_PATH_PROGRAM], "utils", toolname+".py")
    #comp.m.debug(verify, "toolname "+filepath)
    if not os.path.exists(filepath):
        raise FileNotFoundError("file for tool "+toolname+" does not exist "+filepath)
    cmodul = importlib.import_module("utils."+toolname)
    class_ = getattr(cmodul, "FileFcts")
    c = class_()
    c.setComp(job, comp)
    return c