import graphene
from graphene import Field, Boolean, List, String

from backend.core.commands import (
    CreateAccountCommand,
    UpdateAccountCommand,
    DeleteAccountCommand,
    MarkAccountInactiveCommand
)
from backend.core.repositories import AccountRepository, CustomerRepository, RevenueRepository
from backend.core.utils import parse_date
from backend.graphql_api.types import AccountType
from backend.graphql_api.inputs import AccountCreateInput, AccountUpdateInput


class CreateAccountMutation(graphene.Mutation):
    """Mutation to create a new account."""

    class Arguments:
        input = AccountCreateInput(required=True)

    account = Field(AccountType)
    success = Boolean()
    errors = List(String)
    message = String()

    @staticmethod
    def mutate(root, info, input):
        account_repo = AccountRepository()
        customer_repo = CustomerRepository()
        command = CreateAccountCommand(
            account_repo=account_repo,
            customer_repo=customer_repo,
            customer_id=input.customer_id,
            name=input.name,
            street_address=input.street_address,
            city=input.city,
            state=input.state,
            zip_code=input.zip_code,
            primary_contact_first_name=input.primary_contact_first_name,
            primary_contact_last_name=input.primary_contact_last_name,
            primary_contact_phone=input.primary_contact_phone,
            primary_contact_email=input.primary_contact_email,
            secondary_contact_first_name=input.secondary_contact_first_name,
            secondary_contact_last_name=input.secondary_contact_last_name,
            secondary_contact_phone=input.secondary_contact_phone,
            secondary_contact_email=input.secondary_contact_email,
            start_date=input.start_date,
            end_date=input.end_date
        )
        result = command.execute()
        return {
            'account': result.data,
            'success': result.success,
            'errors': result.errors,
            'message': result.message
        }


class UpdateAccountMutation(graphene.Mutation):
    """Mutation to update an existing account."""

    class Arguments:
        input = AccountUpdateInput(required=True)

    account = Field(AccountType)
    success = Boolean()
    errors = List(String)
    message = String()

    @staticmethod
    def mutate(root, info, input):
        account_repo = AccountRepository()
        command = UpdateAccountCommand(
            account_repo=account_repo,
            account_id=input.id,
            name=input.name,
            street_address=input.street_address,
            city=input.city,
            state=input.state,
            zip_code=input.zip_code,
            primary_contact_first_name=input.primary_contact_first_name,
            primary_contact_last_name=input.primary_contact_last_name,
            primary_contact_phone=input.primary_contact_phone,
            primary_contact_email=input.primary_contact_email,
            secondary_contact_first_name=input.secondary_contact_first_name,
            secondary_contact_last_name=input.secondary_contact_last_name,
            secondary_contact_phone=input.secondary_contact_phone,
            secondary_contact_email=input.secondary_contact_email,
            start_date=input.start_date,
            end_date=input.end_date
        )
        result = command.execute()
        return {
            'account': result.data,
            'success': result.success,
            'errors': result.errors,
            'message': result.message
        }


class DeleteAccountMutation(graphene.Mutation):
    """Mutation to delete an account."""

    class Arguments:
        id = graphene.ID(required=True)

    success = Boolean()
    errors = List(String)
    message = String()

    @staticmethod
    def mutate(root, info, id):
        account_repo = AccountRepository()
        command = DeleteAccountCommand(account_repo=account_repo, account_id=id)
        result = command.execute()
        return {
            'account': result.data,
            'success': result.success,
            'errors': result.errors,
            'message': result.message
        }


class MarkAccountInactiveMutation(graphene.Mutation):
    """Mutation to mark an account as inactive."""

    class Arguments:
        id = graphene.ID(required=True)
        end_date = graphene.String()

    account = Field(AccountType)
    success = Boolean()
    errors = List(String)
    message = String()

    @staticmethod
    def mutate(root, info, id, end_date=None):
        account_repo = AccountRepository()
        command = MarkAccountInactiveCommand(
            account_repo=account_repo,
            account_id=id,
            end_date=end_date
        )
        result = command.execute()
        return {
            'account': result.data,
            'success': result.success,
            'errors': result.errors,
            'message': result.message
        }


class GetAccountRevenueMutation(graphene.Mutation):
    """Mutation to get revenue information for an account."""

    class Arguments:
        account_id = graphene.ID(required=True, description="ID of the account to get revenue for")
        start_date = graphene.String(description="Start date for revenue calculation")
        end_date = graphene.String(description="End date for revenue calculation")

    total_revenue = graphene.Float(description="Total revenue for the account")
    success = graphene.Boolean(description="Whether the operation was successful")
    errors = graphene.List(graphene.String, description="List of errors that occurred")
    message = graphene.String(description="Success or error message")

    @staticmethod
    def mutate(root, info, account_id, start_date=None, end_date=None):
        try:
            revenue_repo = RevenueRepository()
            total = revenue_repo.get_total_revenue(
                account_id=account_id,
                start_date=parse_date(start_date) if start_date else None,
                end_date=parse_date(end_date) if end_date else None
            )
            return {
                'total_revenue': total,
                'success': True,
                'errors': [],
                'message': f"Successfully calculated revenue for account {account_id}"
            }
        except Exception as e:
            return {
                'total_revenue': None,
                'success': False,
                'errors': [str(e)],
                'message': "An error occurred while calculating account revenue"
            }