klirr 0.2.8

Zero-maintenance and smart FOSS generating beautiful invoices for services and expenses.
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use inquire::{CustomType, error::InquireResult};

use crate::{
    Cadence, FooterText, HexColor, InvoiceDataFromTuiError, InvoiceNumber, ProtoInvoiceInfo,
    PurchaseOrder, Result, TimestampedInvoiceNumber, WithOptionalDefault, build_period,
    format_help_skippable,
};

pub fn build_invoice_info(
    default: &ProtoInvoiceInfo,
    cadence: Cadence,
) -> Result<ProtoInvoiceInfo> {
    fn inner(default: &ProtoInvoiceInfo, cadence: Cadence) -> InquireResult<ProtoInvoiceInfo> {
        let invoice_number_offset = CustomType::<InvoiceNumber>::new(
            "What is the last invoice number you issued? We call this the 'offset'",
        )
        .with_help_message(&format_help_skippable(
            "Used with the date of that invoice to calculate future invoice numbers.".to_owned(),
        ))
        .with_default(default.offset().offset().clone())
        .prompt_skippable()?
        .unwrap_or_default();

        let invoice_number_offset_period = build_period(
            "When was that invoice issued? (Used to calculate future invoice numbers)".to_owned(),
            Some(*default.offset().date()),
            cadence,
        )?
        .unwrap_or(*default.offset().date());

        let offset = TimestampedInvoiceNumber::builder()
            .offset(invoice_number_offset)
            .date(invoice_number_offset_period)
            .build();

        let purchase_order = CustomType::<PurchaseOrder>::new("Purchase order number (optional)")
            .with_optional_default(default.purchase_order())
            .with_help_message(&format_help_skippable(
                "If you have a purchase order number, enter it here".to_owned(),
            ))
            .prompt_skippable()?;

        let footer_text = CustomType::<FooterText>::new("Footer text (optional)")
            .with_help_message(&format_help_skippable(
                "This is shown in the bottom of the invoice, it can e.g. be 'Reverse Charge'"
                    .to_owned(),
            ))
            .with_default(FooterText::default())
            .prompt_skippable()?;

        let emphasize_color_hex = CustomType::<HexColor>::new("Emphasize color (optional)")
            .with_optional_default(default.emphasize_color_hex())
            .with_help_message(&format_help_skippable(
                "This is used to emphasize certain parts of the invoice, e.g. '#e6007a'".to_owned(),
            ))
            .prompt_skippable()?;

        let info = ProtoInvoiceInfo::builder()
            .offset(offset)
            .maybe_purchase_order(purchase_order)
            .maybe_footer_text(footer_text)
            .maybe_emphasize_color_hex(emphasize_color_hex)
            .record_of_periods_off(default.record_of_periods_off().clone())
            .build();

        Ok(info)
    }
    inner(default, cadence)
        .map_err(InvoiceDataFromTuiError::invalid_invoice_info)
        .map_err(crate::Error::from)
}