from PyQt5.QtWidgets import (
    QDialog, QGroupBox, QLabel,
    QLineEdit, QVBoxLayout, QHBoxLayout,
    QPushButton, QComboBox, QMessageBox
)
from src.database.dbuser   import DbUser
from src.database.dbsearch import DbSearch


def add_job(jobName: str, jobId: int, listMyJobs: list, layMyJobs: object) -> None:
    if jobId not in listMyJobs:
        listMyJobs.append(jobId)
        lineMyJobs: object = QHBoxLayout()
        labJob: object = QLabel(jobName)
        btnRemoveJob: object = QPushButton("Supprimer")
        btnRemoveJob.clicked.connect(
            lambda checked, jId=jobId, layItem=lineMyJobs: [ 
                listMyJobs.remove(jId),
                delete_job(layItem)
            ]
        )
        lineMyJobs.addWidget(labJob)
        lineMyJobs.addStretch()
        lineMyJobs.addWidget(btnRemoveJob)
        layMyJobs.addLayout(lineMyJobs)

def delete_job(layLineJob: object) -> None:
    lab: object = layLineJob.itemAt(0).widget()
    btn: object = layLineJob.itemAt(2).widget()
    lab.deleteLater()
    btn.deleteLater()
    layLineJob.deleteLater()

def validate(mainWindow: object, dial: object, layoutLines: list, oldJobs: list = None, newJobs: list = None) -> None:
    user: object = DbUser(mainWindow = mainWindow)
    userInfos: list = []
    for i in layoutLines:
        if i != "selectJobs" and i != "myJobs":
            lineInput: object = layoutLines[i].itemAt(2).widget()
            userInfos.append(lineInput.text())

    if mainWindow.userStatus == "Pro":
        isPro: bool = True
    else:
        isPro: bool = False

    if "" in userInfos:
        QMessageBox.warning(
            dial,
            "Mes informations",
            "Veuillez renseigner tous les champs"
        )
        return

    user.update_user_infos(userInfos, mainWindow.userId, isPro, oldJobs, newJobs)
    QMessageBox.information(
        dial,
        "Mes informations",
        "Modification enregistrée"
    )
    

# https://stackoverflow.com/questions/3077192/get-a-layouts-widgets-in-pyqt
def modif_infos(mainWindow: object) -> None:
    dial: object = QDialog(parent = mainWindow)
    dial.setWindowTitle("Mes infos")

    search: object = DbSearch(mainWindow)
    infos:  list   = search.get_user_info_by_userid(mainWindow.userId)

    if infos:
        champsClients: dict = {
            "Nom":         infos[0][1],
            "Prénom":      infos[0][2],
            "Téléphone":   infos[0][6],
            "Addresse":    infos[0][7],
            "Code postal": infos[0][8],
            "ville":       infos[0][9]
        }
        champsPro: dict = {
            "Diplôme":     infos[0][3],
            "Capacités":   infos[0][4],
            "Description": infos[0][5]
        }
    else:
        champsClients: list = [
            "Nom",
            "Prénom",
            "Téléphone",
            "Addresse",
            "Code postal",
            "ville"
        ]
        champsPro: list =[
            "Diplôme",
            "Capacités",
            "Description"
        ]

    layoutLines: list = {}
    for i in champsClients:
        layoutLines[i] = QHBoxLayout()
        layoutLines[i].addWidget(QLabel(i))
        layoutLines[i].addStretch()
        if infos:
            if i == "Téléphone":
                layoutLines[i].addWidget(QLineEdit(champsClients[i], maxLength=10))
            elif i == "Code postal":
                layoutLines[i].addWidget(QLineEdit(champsClients[i], maxLength=6))
            else:
                layoutLines[i].addWidget(QLineEdit(champsClients[i], maxLength=128))
        else:
            if i == "Téléphone":
                layoutLines[i].addWidget(QLineEdit(maxLength=10))
            elif i == "Code postal":
                layoutLines[i].addWidget(QLineEdit(maxLength=6))
            else:
                layoutLines[i].addWidget(QLineEdit(maxLength=128))
    
    if mainWindow.userStatus == "Pro":
        allJobs: object = search.get_job_all()
        labSelectJobs: object = QLabel("Les emplois:")
        cmbAllJobs: object = QComboBox()
        lineSelectJobs: object = QHBoxLayout()
        for i in allJobs:
            cmbAllJobs.addItem(f"{i[2]}", i[0])
        btnSelectJobs = QPushButton("Ajouter")
        btnSelectJobs.clicked.connect(
            lambda :
                add_job(
                    cmbAllJobs.currentText(),
                    cmbAllJobs.currentData(),
                    newJobs,
                    layMyJobs
                ) 
        )
        lineSelectJobs.addWidget(labSelectJobs)
        lineSelectJobs.addStretch()
        lineSelectJobs.addWidget(cmbAllJobs)
        lineSelectJobs.addStretch()
        lineSelectJobs.addWidget(btnSelectJobs)
        layoutLines["selectJobs"] = lineSelectJobs

        myJobs: object = search.get_pro_job_by_proid(mainWindow.userId)
        layMyJobs: object = QVBoxLayout()
        newJobs: list = []
        for i in myJobs:
            add_job(i[2], i[0], newJobs, layMyJobs)
        oldJobs: list = newJobs.copy() # Sinon pointer !!!

        layoutLines["myJobs"] = layMyJobs

        for i in champsPro:
            layoutLines[i] = QHBoxLayout()
            layoutLines[i].addWidget(QLabel(i))
            layoutLines[i].addStretch()
            if infos:
                layoutLines[i].addWidget(QLineEdit(champsPro[i], maxLength=256))
            else:
                layoutLines[i].addWidget(QLineEdit(maxLength=256))

    modifLayout: object = QVBoxLayout()
    for i in layoutLines:
        modifLayout.addLayout(layoutLines[i])
    
    btnModif: object = QPushButton("modifer")
    btnModif.clicked.connect(
        lambda: 
            validate(
                mainWindow,
                dial,
                layoutLines, 
                oldJobs,
                newJobs
            ) if mainWindow.userStatus == "Pro"
            else validate(
                mainWindow,
                dial,
                layoutLines
            )
    )
    layoutBtn: object = QHBoxLayout()
    layoutBtn.addStretch()
    layoutBtn.addWidget(btnModif)
    modifLayout.addLayout(layoutBtn)

    grpMain: object = QGroupBox("Mes infos")
    grpMain.setLayout(modifLayout)
    mainLayout: object = QVBoxLayout()
    mainLayout.addWidget(grpMain)
    dial.setLayout(mainLayout)
    dial.show()