# Read thesis-append-pbv.csv
# Output for string-graph-peq-sharing.dat

# Project details
# Filter operation=peq
# Split "series" goups of sut; only those in the "pretty" list
# Assert one row per string-length
# output:
# string-len op-duration
# in chunks, each headed by pertty(sut)

import pandas as pd
import numpy as np
import os
import sys
from pathlib import Path

sys.path.insert(0, os.path.dirname(__file__))
from common import *

sizes_i_want = [50, 200] # [20, 50, 100, 200]
defaultExpansionCfa = 0.2

metaFilename = os.path.dirname(os.path.abspath(__file__)) + '/string-allocn-attrib-meta.dat'
catOrder = Path(metaFilename).read_text()
catOrder = str.split(catOrder)

cfatimings = loadParseTimingData('result-allocate-speed-cfa.csv',
                xClasNames=['expansion'], xClasDtypes={'expansion':'Float64'},
                xFactNames=['topIters'], xFactDtypes={'topIters':np.int64})
cfatimings = cfatimings.groupby('expansion').get_group(defaultExpansionCfa)

cfaattribs = loadParseAttribData('result-allocate-attrib-cfa.ssv')
cfaattribs = cfaattribs.groupby('expansion').get_group(defaultExpansionCfa)

cfasizings = loadParseSizingData('result-allocate-space-cfa.ssv', xClasNames=['expansion'], xClasDtypes={'expansion':'Float64'})
cfasizings = cfasizings.groupby('expansion').get_group(defaultExpansionCfa)

stltimings = loadParseTimingData('result-allocate-speed-stl.csv',
                xClasNames=['expansion'], xClasDtypes={'expansion':'Float64'},
                xFactNames=['topIters'], xFactDtypes={'topIters':np.int64})

stlattribs = loadParseAttribData('result-allocate-attrib-stl.ssv')

stlsizings = loadParseSizingData('result-allocate-space-stl.ssv', xClasNames=['expansion'], xClasDtypes={'expansion':'Float64'})

timings = pd.concat([cfatimings, stltimings])
attribs = pd.concat([cfaattribs, stlattribs])
sizings = pd.concat([cfasizings, stlsizings])

# print("before join", timings.shape[0], attribs.shape[0])
# print(timings.to_csv(header=True, index=True, sep='\t', na_rep="0"))
# print(attribs.to_csv(header=True, index=True, sep='\t', na_rep="0"))
# print(sizings.to_csv(header=True, index=True, sep='\t', na_rep="0"))

combined = pd.merge(
    left=timings[['sut-platform', 'corpus', 'corpus-meanlen-tgt','expansion', 'op-duration-ns']],
    right=attribs[['sut-platform', 'corpus', 'expansion', 'category', 'fraction']],
    on=['sut-platform', 'corpus','expansion']
)

combined = pd.merge(
    left=combined,
    right=sizings[['sut-platform', 'corpus','expansion','hw_cur_req_mem(B)']],
    on=['sut-platform', 'corpus','expansion']
)

# print("after join", combined.shape[0])
# print(combined.to_csv(header=True, index=True, sep='\t', na_rep="0"))

combined['cat-duration-ns'] = combined['op-duration-ns'] * combined['fraction']
combined.drop(columns=['expansion', 'op-duration-ns', 'fraction', 'corpus'], inplace=True)

# print("before summarize", combined.shape[0])
# print(combined.to_csv(header=True, index=True, sep='\t', na_rep="0"))

summary = combined.pivot_table(
    values=['hw_cur_req_mem(B)','cat-duration-ns'],
    index=['corpus-meanlen-tgt', 'sut-platform', 'category'],
    aggfunc={'hw_cur_req_mem(B)':'mean','cat-duration-ns':['mean', 'min', 'max']} )
summary = summary.reset_index()
summary.columns = summary.columns.to_flat_index()
summary.columns = [
    '-'.join(filter(None, col)).replace(' ', '-')  # replaces space with dash if needed
    for col in summary.columns.to_flat_index()
]

# reorder columns with memory as first value (after sut-platform, which is last key)
# cols = summary.columns.tolist()
# cols.remove("hw_cur_req_mem(B)-mean")
# insert_after = cols.index("sut-platform") + 1
# cols.insert(insert_after, "hw_cur_req_mem(B)-mean")
# summary = summary[cols]

summary = summary[[
    'corpus-meanlen-tgt',
    'sut-platform',
    'hw_cur_req_mem(B)-mean',
    'category',
    'cat-duration-ns-mean',
    'cat-duration-ns-max',
    'cat-duration-ns-min']]

# print("after summarize", summary.shape[0])
# print(summary.to_csv(header=True, index=True, sep='\t', na_rep="0"))



# Ensure 'category' follows the specified order
summary['category'] = pd.Categorical(summary['category'], categories=catOrder, ordered=True)

# Sort the DataFrame to prepare for cumulative sum
summary_sorted = summary.sort_values(by=['corpus-meanlen-tgt', 'sut-platform',  'category'])

# Group by the keys and compute exclusive running total
summary_sorted['grp-prior-duration-ns'] = (
    summary_sorted
    .groupby(['corpus-meanlen-tgt', 'sut-platform'])['cat-duration-ns-mean']
    .transform(lambda s: s.cumsum().shift(fill_value=0))
)

summary_sorted = summary_sorted.reset_index(drop=True)


# print("after accumulation", summary_sorted.shape[0])
# print(summary_sorted.to_csv(header=True, index=True, sep='\t', na_rep="0"))


filtered = summary_sorted[summary_sorted['corpus-meanlen-tgt'].isin(sizes_i_want)]

# print("after filter", filtered.shape[0])

print(filtered.to_csv(header=True, index=False, sep='\t', na_rep="0"))