from pathlib import Path
import os
import re
## standard imports
from IPython.core.display import Markdown as md
import numpy as np
import pandas as pd
from matplotlib import pyplot as plt
import seaborn as sns
from tabulate import tabulate
import bibtexparser

sns.set_style("whitegrid")

PROJECT_DIR=Path(os.getenv("QUARTO_PROJECT_DIR", "."))
DATA_DIR=PROJECT_DIR.joinpath("02-data")
RAW_DATA=DATA_DIR.joinpath("raw")
WORKING_DATA=DATA_DIR.joinpath("intermediate")
PROCESSED_DATA=DATA_DIR.joinpath("processed")
SUPPLEMENTARY_DATA=DATA_DIR.joinpath("supplementary")

from src import prep_data

# raw database-search results
bib_sample_raw_db = prep_data.bib_library_from_dir(RAW_DATA)
# the complete library of sampled (and working) literature
bib_sample = prep_data.bib_library_from_dir(WORKING_DATA)

# load relevant studies
from src import load_data

# each observation in a single dataframe
df = prep_data.observations_with_metadata_df(
    raw_observations = load_data.from_yml(PROCESSED_DATA),
    study_metadata = prep_data.bib_metadata_df(bib_sample),
    country_groups = prep_data.country_groups_df(Path(f"{SUPPLEMENTARY_DATA}/wb-country-groupings.xlsx")),
)

# all observations but split per individual intervention
df_by_intervention = (
    df
    .fillna("")
    .groupby(["author", "year", "title", "design", "method", "representativeness", "citation"])
    .agg(
        {
            "intervention": lambda _col: "; ".join(_col),
        }
    )
    .reset_index()
    .drop_duplicates()
    .assign(
        intervention=lambda _df: _df["intervention"].apply(
            lambda _cell: set([x.strip() for x in re.sub(r"\(.*\)", "", _cell).split(";")])
        ),
    )
    .explode("intervention")
)

# Calc study validities (internal & external separated)
from src.model import validity

validities = validity.calculate(df_by_intervention)
validities["identifier"] = validities["author"].str.replace(r',.*$', '', regex=True) + " (" + validities["year"].astype(str) + ")"
validities = validities.loc[(validities["design"] == "quasi-experimental") | (validities["design"] == "experimental")]
#validities["external_validity"] = validities["external_validity"].astype('category')
validities["internal_validity"] = validities["internal_validity"].astype('category')
validities["External Validity"] = validities["external_validity"]
validities["Internal Validity"] = validities["internal_validity"]