#!/usr/bin/env python3
"""
PDF Field Mapping

This module provides a mapping of PDF fields to their corresponding keys in the application data.
"""

_PLACEHOLDER_VALUES: set = {None, "", "-", "JJJJ-MM", "/\\Fld@default "}

# --- COMMON fields (shared across variants) ---
TEXT_MAPPING_COMMON: dict = {
    # --- Meta ---
    'pa-id': {
        'required': True,
        'target-key': 'pa.meta.id',
        'type': str,
    },
    'pa-key': {
        'required': True,
        'target-key': 'pa.meta.key',
        'type': str,
    },

    # --- Applicant ---
    'pa-applicant-type': {
        'required': True,
        'target-key': 'pa.applicant.type',
        'type': 'enum',
        'values': [('person', 'Person'), ('institution', 'Institution')]
    },
    'pa-institution-type': {
        'required': True,
        'target-key': 'pa.applicant.institution.type',
        'type': 'enum',
        'values': [
            ('-', '-'),
            ('stud-fs', 'Fachschaft'),
            ('stud-rf', 'STUPA-Referat'),
            ('stud-hg', 'Studentische Hochschulgruppe'),
            ('faculty', 'Fakultät'),
            ('hs-institution', 'Hochschuleinrichtung'),
        ]
    },
    'pa-institution': {'required': True,  'target-key': 'pa.applicant.institution.name', 'type': str},
    'pa-first-name':  {'required': True,  'target-key': 'pa.applicant.name.first'},
    'pa-last-name':   {'required': True,  'target-key': 'pa.applicant.name.last'},
    'pa-email':       {'required': True,  'target-key': 'pa.applicant.contact.email'},
    'pa-phone':       {'required': False, 'target-key': 'pa.applicant.contact.phone'},

    'pa-course': {
        'required': True,
        'target-key': 'pa.applicant.course',
        'type': 'enum',
        'values': [('-', '-'), ('INF', 'INF'), ('ESB', 'ESB'), ('LS', 'LS'), ('TEC', 'TEC'), ('TEX', 'TEX'), ('NXT', 'NXT')]
    },
    'pa-role': {
        'required': True,
        'target-key': 'pa.applicant.role',
        'type': 'enum',
        'values': [
            ('-', '-'),
            ('Student', 'Student'),
            ('Professor', 'Professor'),
            ('Mitarbeiter', 'Mitarbeiter'),
            ('ASTA', 'ASTA'),
            ('Referatsleitung', 'Referatsleitung'),
            ('Fachschaftsvorstand', 'Fachschaftsvorstand'),
        ]
    },

    # --- Project core ---
    'pa-project-name':        {'required': True,  'target-key': 'pa.project.name', 'type': str},
    'pa-start-date':          {'required': True,  'target-key': 'pa.project.dates.start', 'type': str},
    'pa-end-date':            {'required': False, 'target-key': 'pa.project.dates.end',   'type': str},
    'pa-participants':        {'required': False, 'target-key': 'pa.project.participants', 'type': int},
    'pa-project-description': {'required': True,  'target-key': 'pa.project.description', 'type': str},

    # --- Participation (checkboxes) ---
    'pa-participating-faculties-inf':  {'required': False, 'target-key': 'pa.project.participation.faculties.inf',  'type': bool},
    'pa-participating-faculties-esb':  {'required': False, 'target-key': 'pa.project.participation.faculties.esb',  'type': bool},
    'pa-participating-faculties-ls':   {'required': False, 'target-key': 'pa.project.participation.faculties.ls',   'type': bool},
    'pa-participating-faculties-tec':  {'required': False, 'target-key': 'pa.project.participation.faculties.tec',  'type': bool},
    'pa-participating-faculties-tex':  {'required': False, 'target-key': 'pa.project.participation.faculties.tex',  'type': bool},
    'pa-participating-faculties-nxt':  {'required': False, 'target-key': 'pa.project.participation.faculties.nxt',  'type': bool},
    'pa-participating-faculties-open': {'required': False, 'target-key': 'pa.project.participation.faculties.open', 'type': bool},

    # --- Costs & totals ---
    'pa-cost-{a;1:24}-name':        {'required': True, 'target-key': 'pa.project.costs[{a}].name',      'type': str},
    'pa-cost-{a;1:24}-amount-euro': {'required': True, 'target-key': 'pa.project.costs[{a}].amountEur', 'type': float},
    'pa-requested-amount-euro-sum': {'required': True, 'target-key': 'pa.project.totals.requestedAmountEur', 'type': float},

    # --- Attachments common ---
    'pa-anh-vergleichsangebote': {'required': False, 'target-key': 'pa.attachments.comparativeOffers', 'type': bool},

    # --- Misc ---
    'warning-not-supported': {'required': False, 'target-key': 'warning.notSupported', 'type': str},
}

# --- QSM-specific fields (second variant) ---
TEXT_MAPPING_QSM = {
    'pa-qsm-financing': {
        'required': True,
        'target-key': 'pa.project.financing.qsm.code',
        'type': 'enum',
        'values': [
            ('vwv-3-2-1-1', 'Finanzierung zusätzlicher Lehr- und Seminarangebote'),
            ('vwv-3-2-1-2', 'Fachspezifische Studienprojekte'),
            ('vwv-3-2-1-3', 'Hochschuldidaktische Fort- und Weiterbildungsmaßnahmen'),
            ('vwv-3-2-2-1', 'Verbesserung/Ausbau von Serviceeinrichtungen sowie Infrastruktur'),
            ('vwv-3-2-2-2', 'Lehr- und Lernmaterialien'),
            ('vwv-3-2-2-3', 'Durchführung von Exkursionen'),
            ('vwv-3-2-2-4', 'Finanzierung von infrastrukturellen Begleit- und Anpassungsmaßnahmen'),
            ('vwv-3-2-3-1', 'Verbesserung der Beratungsangebote für Studierende'),
            ('vwv-3-2-3-2', 'Studium Generale und fachübergreifende Lehrangebote'),
            ('vwv-3-2-3-3', 'Sonstige Maßnahmen im Interesse der Studierendenschaft'),
        ]
    },
    'pa-qsm-stellenfinanzierungen': {'required': False, 'target-key': 'pa.project.financing.qsm.flags.stellenfinanzierungen', 'type': bool},
    'pa-qsm-studierende':           {'required': False, 'target-key': 'pa.project.financing.qsm.flags.studierende',           'type': bool},
    'pa-qsm-individuell':           {'required': False, 'target-key': 'pa.project.financing.qsm.flags.individuell',           'type': bool},
    'pa-qsm-exkursion-genehmigt':   {'required': False, 'target-key': 'pa.project.financing.qsm.flags.exkursionGenehmigt',    'type': bool},
    'pa-qsm-exkursion-bezuschusst': {'required': False, 'target-key': 'pa.project.financing.qsm.flags.exkursionBezuschusst',  'type': bool},
    'pa-anh-fakultaet':             {'required': False, 'target-key': 'pa.attachments.fakultaet',         'type': bool},
}

# --- VSM-specific fields (first variant; include for completeness) ---
TEXT_MAPPING_VSM = {
    'pa-vsm-financing': {
        'required': True,
        'target-key': 'pa.project.financing.vsm.code',
        'type': 'enum',
        'values': [
            ('-', '-'),
            ('lhg-01', 'Hochschulpolitische, fachliche, soziale, wirtschaftliche und kulturelle Belange'),
            ('lhg-02', 'Mitwirkung an den Aufgaben der Hochschulen nach den §§ 2 bis 7'),
            ('lhg-03', 'Politische Bildung'),
            ('lhg-04', 'Förderung der Chancengleichheit und Abbau von Benachteiligungen'),
            ('lhg-05', 'Förderung der Integration ausländischer Studierender'),
            ('lhg-06', 'Förderung der sportlichen Aktivitäten'),
            ('lhg-07', 'Pflege der überregionalen Studierendenbeziehungen'),
        ]
    },
    'pa-vsm-aufgaben':    {'required': False, 'target-key': 'pa.project.financing.vsm.flags.aufgaben',    'type': bool},
    'pa-vsm-individuell': {'required': False, 'target-key': 'pa.project.financing.vsm.flags.individuell', 'type': bool},
}