"""
ValutazioniExtraGemmaDialog — replica del form VBA "MyICR - Valutazioni Reti extra Gemma".

Layout: Ambito + 12 reti in riga orizzontale unica, NO ICR + motivazione sotto.
"""

from PyQt6.QtWidgets import (
    QDialog, QVBoxLayout, QHBoxLayout, QGridLayout,
    QLabel, QComboBox, QLineEdit, QCheckBox,
    QPushButton, QFrame, QScrollArea, QWidget,
)
from PyQt6.QtGui import QFont
from PyQt6.QtCore import Qt

_NETWORKS = ['C5', 'I1', 'R4', 'LA5', 'I2', 'IRIS', 'TOPCRIME', 'FOCUS', 'C20', 'CINE34', 'TWENTYS']
_NETWORK_KEYS = ['C5', 'I1', 'R4', 'LA5', 'I2', 'IRIS', 'TOPCRIME', 'FOCUS', 'C20', 'CINE34', 'TWENTYSEVEN']

_VALORI = [
    '', '!',
    'PT G', 'PT S', 'PT E',
    'SS G', 'SS S', 'SS E',
    'AP G', 'AP S', 'AP E',
    'PO G', 'PO S', 'PO E',
    'MA', 'DT', 'NOTTE', 'NO',
    'VV PT', 'VV SS', 'VV AP', 'VV PO', 'VV MA',
]

_FONT     = QFont('Calibri', 10)
_FONT_HDR = QFont('Calibri', 10, QFont.Weight.Bold)


class ValutazioniExtraGemmaDialog(QDialog):

    def __init__(self, imdb: str, titolo: str, ambito: str,
                 existing: dict | None, parent=None):
        super().__init__(parent)
        self._imdb   = imdb
        self._ambito = ambito
        self._result: dict | None = None

        self.setWindowTitle('MyICR - Valutazioni Reti extra Gemma')
        self.setModal(True)

        root = QVBoxLayout(self)
        root.setSpacing(6)
        root.setContentsMargins(10, 8, 10, 8)

        # ── Titolo IMDB ────────────────────────────────────────────────
        lbl_title = QLabel(f'{imdb}  —  {titolo}')
        lbl_title.setFont(QFont('Calibri', 11, QFont.Weight.Bold))
        lbl_title.setStyleSheet('color: #1F4E79;')
        root.addWidget(lbl_title)

        # ── Riga header + combo reti ───────────────────────────────────
        # Scroll orizzontale per adattarsi a schermi piccoli
        scroll = QScrollArea()
        scroll.setWidgetResizable(True)
        scroll.setFrameShape(QFrame.Shape.NoFrame)
        scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAsNeeded)
        scroll.setVerticalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)
        scroll.setFixedHeight(64)

        inner = QWidget()
        grid = QGridLayout(inner)
        grid.setHorizontalSpacing(4)
        grid.setVerticalSpacing(2)
        grid.setContentsMargins(0, 0, 0, 0)

        # Colonna 0: Ambito
        lbl_amb = QLabel('')   # header vuoto sopra Ambito
        lbl_amb.setFont(_FONT_HDR)
        lbl_amb.setAlignment(Qt.AlignmentFlag.AlignHCenter)
        grid.addWidget(lbl_amb, 0, 0)

        self._cmb_ambito = QComboBox()
        self._cmb_ambito.setFont(_FONT)
        self._cmb_ambito.addItems(['OTT', 'Linker'])
        idx_a = self._cmb_ambito.findText(ambito)
        if idx_a >= 0:
            self._cmb_ambito.setCurrentIndex(idx_a)
        self._cmb_ambito.setFixedWidth(72)
        grid.addWidget(self._cmb_ambito, 1, 0)

        # Colonne 1..12: reti
        self._combos: dict[str, QComboBox] = {}
        for i, (label, key) in enumerate(zip(_NETWORKS, _NETWORK_KEYS)):
            col = i + 1
            lbl = QLabel(label)
            lbl.setFont(_FONT_HDR)
            lbl.setAlignment(Qt.AlignmentFlag.AlignHCenter)
            grid.addWidget(lbl, 0, col)

            cmb = QComboBox()
            cmb.setFont(_FONT)
            cmb.addItems(_VALORI)
            cmb.setFixedWidth(60)
            if existing:
                val = existing.get(key) or ''
                idx = cmb.findText(val)
                if idx >= 0:
                    cmb.setCurrentIndex(idx)
            self._combos[key] = cmb
            grid.addWidget(cmb, 1, col)

        scroll.setWidget(inner)
        root.addWidget(scroll)

        # ── Separatore ────────────────────────────────────────────────
        sep = QFrame()
        sep.setFrameShape(QFrame.Shape.HLine)
        sep.setStyleSheet('color: #CCCCCC;')
        root.addWidget(sep)

        # ── NO ICR ────────────────────────────────────────────────────
        row_noicr = QHBoxLayout()
        self._chk_noicr = QCheckBox('NO ICR - motivazione:')
        self._chk_noicr.setFont(_FONT)
        if existing:
            self._chk_noicr.setChecked(bool(existing.get('NoIcr')))
        row_noicr.addWidget(self._chk_noicr)
        self._txt_motivazione = QLineEdit()
        self._txt_motivazione.setFont(_FONT)
        if existing:
            self._txt_motivazione.setText(existing.get('NoIcrMotivazione') or '')
        self._txt_motivazione.textChanged.connect(
            lambda t: self._chk_noicr.setChecked(bool(t.strip()))
        )
        row_noicr.addWidget(self._txt_motivazione)
        root.addLayout(row_noicr)

        # ── Bottoni ───────────────────────────────────────────────────
        btn_row = QHBoxLayout()

        btn_row.addStretch()

        btn_cancel = QPushButton('Annulla')
        btn_cancel.setFont(_FONT)
        btn_cancel.setFixedWidth(75)
        btn_cancel.setStyleSheet(
            'QPushButton { background: #E0E0E0; border-radius: 3px; padding: 3px; }'
            'QPushButton:hover { background: #C0C0C0; }'
        )
        btn_cancel.clicked.connect(self.reject)
        btn_row.addWidget(btn_cancel)

        btn_save = QPushButton('Salva')
        btn_save.setFont(QFont('Calibri', 10, QFont.Weight.Bold))
        btn_save.setFixedWidth(75)
        btn_save.setDefault(True)
        btn_save.setStyleSheet(
            'QPushButton { background: #2E74B5; color: white; border-radius: 3px; padding: 3px; }'
            'QPushButton:hover { background: #1F5C9A; }'
        )
        btn_save.clicked.connect(self._on_save)
        btn_row.addWidget(btn_save)

        root.addLayout(btn_row)

        # larghezza minima per vedere tutte le reti senza scroll
        self.setMinimumWidth(860)

    def _on_save(self):
        data: dict = {}
        for key, cmb in self._combos.items():
            v = cmb.currentText().strip()
            data[key] = v if v else None
        data['NoIcrMotivazione'] = self._txt_motivazione.text().strip() or None
        data['NoIcr'] = 1 if self._chk_noicr.isChecked() else 0
        self._result = data
        self.accept()

    @property
    def result_data(self) -> dict | None:
        return self._result