# standard imports
import unittest
import logging
import os
import json
import sys

# external imports
from hexathon import strip_0x
        
# local imports
from cic import Proof
from cic.processor import Processor
from cic.attachment import Attachment
from cic.meta import Meta
from cic.output import KVWriter

# test imports
from tests.base_cic import (
        TestCICBase,
        test_data_dir,
        root_merged_hash,
        root_unmerged_hash,
        )

logg = logging.getLogger()
logg.setLevel(logging.DEBUG)


class MockExt:

    def __init__(self, address):
        self.address = address

    def process(self):
        return self.address


class TestCICProcessor(TestCICBase):

    def test_processor_meta(self):
        fp = os.path.join(test_data_dir, 'proof')
        m = Meta(fp)
        m.load()

        mock_ext = MockExt(self.token_address)
        p = Processor(metadata=m, outputs_writer=self.outputs_writer, extensions=[mock_ext])
        p.token_address = self.token_address
        p.process()

        meta_reference = m.reference(self.token_address)

        fp = os.path.join(self.outputs_dir, meta_reference)
        f = open(fp, 'r')
        o = json.load(f)
        f.close()
        self.assertEqual(m.asdict(), o)
    

    def test_processor_attachment(self):
        fp = os.path.join(test_data_dir, 'proof')
        m = Attachment(fp)
        m.load()

        mock_ext = MockExt(self.token_address)
        p = Processor(attachment=m, outputs_writer=self.outputs_writer, extensions=[mock_ext])
        p.process()


        for k in list(m.contents.keys()):
            os.stat(fp)


    def test_processor_proof_noattachment(self):
        fp = os.path.join(test_data_dir, 'proof')
        m = Proof(fp)
        m.load()

        mock_ext = MockExt(self.token_address)
        p = Processor(proof=m, outputs_writer=self.outputs_writer, extensions=[mock_ext])
        p.process()

        self.assertEqual(p.outputs[0], root_unmerged_hash) 
   

    def test_processor_proof_attachment(self):
        fp = os.path.join(test_data_dir, 'proof')

        ma = Attachment(fp)
        ma.load()

        mp = Proof(fp, attachments=ma)
        mp.load()

        mock_ext = MockExt(self.token_address)
        p = Processor(proof=mp, outputs_writer=self.outputs_writer, extensions=[mock_ext])
        p.process()

        self.assertEqual(p.outputs[0], root_merged_hash) 
   

if __name__ == '__main__':
    unittest.main()