import gspread
import os
import json
from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail

from dotenv import load_dotenv
load_dotenv()

GCP_JSON_KEY = os.environ.get("GCP_JSON_KEY")
MY_EMAIL = "ashharakhlaque@gmail.com"
TEMPLATE_COL_NAME = "Template"

sg = SendGridAPIClient(os.environ.get('SENDGRID_API_KEY'))


def saveProfileDetailsInGSheet(
    emailPurpose,
    aboutYou,
    recipientIndustry,
    recipientRole,
    specificDetails
):
    client = gspread.service_account_from_dict(json.loads(GCP_JSON_KEY))

    workBook = "Cold Mail Outreach - User Profiles"
    try:
        spreadsheet = client.open(workBook)
    except gspread.SpreadsheetNotFound:
        print(f"Creating new sheet: {workBook}")
        spreadsheet = client.create(workBook)
        print(f"Created new sheet: {spreadsheet.url}")
        spreadsheet.share(
            MY_EMAIL,
            perm_type='user',
            role='writer',
        )

    sheet = spreadsheet.worksheet("Profiles & Templates")
    sheet.append_row([
        emailPurpose,
        aboutYou,
        recipientIndustry,
        recipientRole,
        specificDetails
    ])
    if not (emailPurpose and aboutYou):
        return {}
    return {
        "response": "Saved profile details in Google Sheet.",
        "display": {
            "text": f"`Saved profile details in Google Sheet` [Link]({spreadsheet.url})",
            "icon": "icons/completed-task.png",
        }
    }


def saveTemplateInGSheet(template: str):
    client = gspread.service_account_from_dict(json.loads(GCP_JSON_KEY))

    workBook = "Cold Mail Outreach - User Profiles"
    try:
        spreadsheet = client.open(workBook)
    except gspread.SpreadsheetNotFound:
        print(f"Sheet not found: {workBook}")
        return {
            "response": "Failed to save template. Sheet not found.",
            "display": {
                "text": "`Failed to save template. Sheet not found.`",
                "icon": "icons/error.png",
            }
        }

    sheet = spreadsheet.worksheet("Profiles & Templates")

    headers = sheet.row_values(1)
    templateColIndex = headers.index(TEMPLATE_COL_NAME) + 1
    lastRow = len([row for row in sheet.get_all_values() if any(row)])

    sheet.update_cell(lastRow, templateColIndex, template)

    return {
        "response": "Saved template in Google Sheet.",
        "display": {
            "text": f"`Saved template in Google Sheet` [Link]({spreadsheet.url})",
            "icon": "icons/completed-task.png",
        }
    }


def sendEmail(
    toEmail: str,
    subject: str,
    htmlContent: str
):
    message = Mail(
        from_email=MY_EMAIL,
        to_emails=toEmail,
        subject=subject,
        html_content=htmlContent,
    )
    try:
        sg.send(message)
        return {
            "response": "Email sent",
            "display": {
                "text": f"`Email sent to {toEmail}`",
                "icon": "icons/mail.png",
            }
        }
    except Exception as e:
        print(e.message)
        return {
            "response": f"Failed to send email. Error: {e.message}",
            "display": {
                "text": f"`Failed to send email to {toEmail}`",
                "icon": "icons/error.png",
            }
        }


toolsInfo = {
    "saveProfileDetailsInGSheet": {
        "func": saveProfileDetailsInGSheet,
        "schema": {
            "type": "function",
            "function": {
                "name": "saveProfileDetailsInGSheet",
                "description": "Saves the email profile details in Google Sheet",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "emailPurpose": {
                            "type": "string",
                            "description": "Purpose of the email"
                        },
                        "aboutYou": {
                            "type": "string",
                            "description": "A bit about you that's required for email content"
                        },
                        "recipientIndustry": {
                            "type": "string",
                            "description": "Industry of the recipient"
                        },
                        "recipientRole": {
                            "type": "string",
                            "description": "Recipient's role in the company"
                        },
                        "specificDetails": {
                            "type": "string",
                            "description": "Any specific details about the email"
                        }

                    },
                    "required": ["emailPurpose", "aboutYou", "recipientIndustry"]
                }
            }
        },
    },

    "saveTemplateInGSheet": {
        "func": saveTemplateInGSheet,
        "schema": {
            "type": "function",
            "function": {
                "name": "saveTemplateInGSheet",
                "description": "Saves the email template in Google Sheet",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "template": {
                            "type": "string",
                            "description": "Email template"
                        }
                    },
                    "required": ["template"]
                }
            }
        },
    },

    "sendEmail": {
        "func": sendEmail,
        "schema": {
            "type": "function",
            "function": {
                "name": "sendEmail",
                "description": "Sends an email to the user",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "toEmail": {
                            "type": "string",
                            "description": "Email address of the recipient"
                        },
                        "subject": {
                            "type": "string",
                            "description": "Subject of the email"
                        },
                        "htmlContent": {
                            "type": "string",
                            "description": "HTML content of the email"
                        }
                    },
                    "required": ["toEmail", "subject", "htmlContent"]
                }
            }
        },
    },

}