import logging
from datetime import datetime
from typing import Optional

from felicity.apps.analysis import utils
from felicity.apps.analysis.models.analysis import (Analysis, analysis_profile, AnalysisCategory,
                                                    CodingStandard, Profile,
                                                    RejectionReason,
                                                    SampleType)
from felicity.apps.analysis.models.qc import QCLevel
from felicity.apps.analysis.schemas import (AnalysisCategoryCreate,
                                            AnalysisCreate, ProfileCreate,
                                            QCLevelCreate,
                                            RejectionReasonCreate,
                                            SampleTypeCreate)
from felicity.apps.common.models import IdSequence
from felicity.apps.setup.models.setup import Department
from felicity.apps.setup.models.setup import Unit
from felicity.apps.setup.schemas import UnitCreate
from felicity.core.config import get_settings
from .data import get_seeds

settings = get_settings()
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

units = {}


async def unit_resolver(name: str, description=""):
    if not name or name is None:
        return None

    if name in units:
        return units[name]

    unit = await Unit.get(name=name)
    if not unit:
        unit_in = UnitCreate(name=name, descritpion=description)
        unit = await Unit.create(unit_in)
    units[name] = unit
    return unit


async def seed_categories():
    logger.info("Setting up analyses categories .....")
    data = get_seeds("analyses")

    categories = data.get("categories", [])

    for _cat in categories:
        category = await AnalysisCategory.get(name=_cat)
        if not category:
            cat_in = AnalysisCategoryCreate(name=_cat, description=_cat)
            await AnalysisCategory.create(cat_in)


async def seed_qc_levels() -> None:
    logger.info("Setting QC Levels .....")
    data = get_seeds("analyses")

    qc_levels = data.get("qc_levels", [])

    for _lvl in qc_levels:
        qc_level = await QCLevel.get(level=_lvl)
        if not qc_level:
            lvl_in = QCLevelCreate(level=_lvl)
            await QCLevel.create(lvl_in)


async def seed_id_sequence() -> None:
    logger.info("Setting up id sequence .....")
    data = get_seeds("analyses")

    sample_types = data.get("sample_types", [])

    prefix_keys = ["WS", "P", "AR"]

    for _st in sample_types:
        st_abbr = _st.get("abbr")
        if st_abbr not in prefix_keys:
            prefix_keys.append(st_abbr)

    prefix_year = str(datetime.now().year)[2:]
    id_prefixes = [f"{prefix_key}{prefix_year}" for prefix_key in prefix_keys]

    for prefix in id_prefixes:
        id_seq = await IdSequence.get(prefix=prefix)
        if id_seq is None:
            await IdSequence.create(**{"prefix": prefix, "number": 0})


async def seed_coding_standards() -> None:
    # Coding for clinical laboratory information
    logger.info("Setting up coding standard .....")

    standards = [
        {
            "name": "LOINC",
            "description": "Logical Observation Identifiers Names and Codes",
        },
        # {"name": "SNOMED CT", "description": "Systemized Nomenclature of Medicine – Clinical Terms"}
    ]
    for stand in standards:
        standard = await CodingStandard.get(name=stand.get("name"))
        if standard is None:
            await CodingStandard.create(stand)


async def seed_sample_types() -> None:
    logger.info("Setting up sample types .....")
    data = get_seeds("analyses")

    sample_types = data.get("sample_types", [])

    for _st in sample_types:
        st_name = _st.get("name")
        st_description = _st.get("description")
        st_abbr = _st.get("abbr")
        st_active = _st.get("active", 0)
        st = await SampleType.get(name=st_name, abbr=st_abbr)
        if not st:
            st_in = SampleTypeCreate(
                name=st_name,
                description=st_description,
                abbr=st_abbr.upper(),
                active=bool(st_active),
            )
            await SampleType.create(st_in)


async def seed_analyses_services_and_profiles() -> None:
    logger.info("Setting up analysis services and profiles .....")
    data = get_seeds("analyses")

    analyses = data.get("analyses", [])

    for _anal in analyses:
        analyte: Optional[Analysis] = await Analysis.get(name=_anal.get("name"))
        if not analyte:
            category = await AnalysisCategory.get(name=_anal.get("category"))
            unit = await unit_resolver(name=_anal.get("ucuum"))
            an_in = AnalysisCreate(
                name=_anal.get("name"),
                description=_anal.get("description"),
                category_uid=category.uid if category else None,
                unit_uid=unit.uid if unit else None,
                keyword=_anal.get("keyword"),
                sort_key=_anal.get("sort_key"),
                active=bool(_anal.get("active")),
            )
            analyte = await Analysis.create(an_in)
        await utils.billing_setup_analysis([analyte.uid])

    profiles = data.get("analyses_profiles", [])

    for _prf in profiles:
        a_profile: Optional[Profile] = await Profile.get(name=_prf.get("name"))
        if not a_profile:
            department = await Department.get(name=_prf.get("department"))
            prof_in = ProfileCreate(
                name=_prf.get("name"),
                description=_prf.get("description"),
                department_uid=department.uid if department else None
            )
            a_profile = await Profile.create(prof_in)

        analyses_names = _prf.get("analyses_names", [])
        for _a_name in analyses_names:
            anal = await Analysis.get(name=_a_name)
            if anal and anal.uid not in [a.uid for a in a_profile.analyses]:
                a_profile.analyses.append(anal)
                await Profile.table_insert(
                    analysis_profile,
                    mappings={
                        "analysis_uid": anal.uid,
                        "profile_uid": a_profile.uid
                    }
                )

        await utils.billing_setup_profiles([a_profile.uid])


async def seed_rejection_reasons() -> None:
    logger.info("Setting up rejection reasons .....")
    data = get_seeds("analyses")

    rejection_reasons = data.get("rejection_reasons", [])

    for _rr in rejection_reasons:
        reason = await RejectionReason.get(reason=_rr)
        if not reason:
            rr_in = RejectionReasonCreate(reason=_rr)
            await RejectionReason.create(rr_in)