// ==========================================
// PRESENTATION: ПЕРЕИСПОЛЬЗУЕМЫЕ КОМПОНЕНТЫ
// ==========================================
#import "../components.typ": corp_table, formula
#import "foundation.typ": render-media-slot
#import "../shared/numbering.typ": attachment_numbering

#let letter-accent = rgb("fbb20d")

#let footer-icon(name, color) = {
  box(width: 20pt, height: 20pt, fill: color, radius: 2pt)[
    #align(center + horizon)[
      #image(
        path("../assets/icons/" + name + ".png"),
        width: 15pt,
        height: 15pt,
        fit: "contain",
      )
    ]
  ]
}

#let company-logo(company, width: 4cm, height: 2.5cm, policy: "placeholder") = {
  render-media-slot(
    company.resources.logo,
    policy: policy,
    width: width,
    height: height,
    label: "ЛОГОТИП",
  )
}

#let signing-media(stamp, signature, policy, show_stamp: true, offset: -1cm) = {
  let has-missing-media = signature == none or (show_stamp and stamp == none)
  let stamp-resource = if stamp == none and policy == "placeholder" {
    path("../assets/placeholders/stamp.svg")
  } else {
    stamp
  }
  let signature-resource = if signature == none and policy == "placeholder" {
    path("../assets/placeholders/signature.svg")
  } else {
    signature
  }
  if policy == "placeholder" and has-missing-media {
    if show_stamp {
      place(center, dx: -1.6cm, dy: offset)[
        #render-media-slot(
          stamp-resource,
          policy: policy,
          width: 2.8cm,
          height: 2.8cm,
          label: "ПЕЧАТЬ",
        )
      ]
    }
    place(center, dx: if show_stamp { 1.6cm } else { 0cm }, dy: offset)[
        #render-media-slot(
          signature-resource,
          policy: policy,
          width: 2.8cm,
          height: 1.4cm,
          label: "ПОДПИСЬ",
        )
      ]
  } else {
    if show_stamp {
      place(center, dx: -0.5cm, dy: offset)[
        #render-media-slot(
          stamp-resource,
          policy: policy,
          width: 3.5cm,
          height: 3.5cm,
          label: "МЕСТО ПЕЧАТИ",
        )
      ]
    }
    place(center, dx: if show_stamp { 1.5cm } else { 0cm }, dy: offset)[
        #render-media-slot(
          signature-resource,
          policy: policy,
          width: 3.5cm,
          height: 2.5cm,
          label: "МЕСТО ПОДПИСИ",
        )
      ]
  }
}

#let signature-block(
  signer,
  company: none,
  media_policy: "placeholder",
  show_stamp: true,
  note: none,
) = {
  let signature = signer.at(
    "signature",
    default: if company == none { none } else { company.resources.signature },
  )
  let stamp = signer.at(
    "stamp",
    default: if company == none { none } else { company.resources.stamp },
  )

  set par(first-line-indent: 0pt, justify: false, leading: 0.75em)
  let left-content = [
    #signer.title
    #if company != none { [\ #company.legal.name] }
  ]
  let right-content = [#signer.name]
  let media-content = signing-media(
    stamp,
    signature,
    media_policy,
    show_stamp: show_stamp,
  )
  v(2cm)
  layout(size => {
    let left-width = measure(left-content).width
    let right-width = measure(right-content).width
    let roomy = left-width + right-width + 5.5cm <= size.width
    if roomy {
      grid(
        columns: (auto, 1fr, auto),
        align: (left + bottom, center + bottom, right + bottom),
        left-content,
        media-content,
        right-content,
      )
    } else {
      grid(
        columns: (1fr, 6.5cm, 1fr),
        column-gutter: 8pt,
        align: (left + bottom, center + bottom, right + bottom),
        left-content,
        media-content,
        right-content,
      )
    }
  })
  if note != none {
    text(font: "Arial", size: 7.5pt, fill: luma(90))[#note]
  }
}

#let approval-block(approval, company, media_policy: "placeholder") = {
  let signer = approval.signer
  let signature = signer.at("signature", default: company.resources.signature)
  let signature-resource = if signature == none and media_policy == "placeholder" {
    path("../assets/placeholders/signature.svg")
  } else {
    signature
  }
  set par(first-line-indent: 0pt, justify: false, leading: 0.75em)
  box(width: 8cm)[
    #align(right)[
      #text(weight: "bold")[#approval.label] \
      #signer.title \
      #company.legal.name \
      #v(0.2cm)
      #render-media-slot(
        signature-resource,
        policy: media_policy,
        width: 3cm,
        height: 1.2cm,
        label: "ПОДПИСЬ",
      ) \
      #signer.name \
      #if approval.date != none { approval.date }
    ]
  ]
}

#let company-footer(company) = {
  let contacts = company.contacts
  let banking = company.banking
  let contact-lines = ()
  if contacts.phone != none { contact-lines.push(contacts.phone) }
  if contacts.email != none { contact-lines.push(contacts.email) }
  if contacts.website != none { contact-lines.push(contacts.website) }
  let id-lines = ()
  for (key, label) in (
    ("inn", "ИНН"),
    ("kpp", "КПП"),
    ("ogrn", "ОГРН"),
    ("bin", "БИН"),
    ("kbe", "КБЕ"),
  ) {
    let value = company.legal.at(key, default: none)
    if value != none { id-lines.push([#label #value]) }
  }
  let banking-lines = ()
  if banking.bank != none { banking-lines.push([Банк: #banking.bank]) }
  if banking.at("correspondent-account", default: none) != none {
    banking-lines.push([Кор. счёт: #banking.at("correspondent-account")])
  }
  if banking.bik != none { banking-lines.push([БИК: #banking.bik]) }
  if contacts.at("address-en", default: none) != none {
    banking-lines.push(contacts.at("address-en"))
  }
  set text(font: "Arial", size: 7.5pt, fill: luma(85))
  set par(first-line-indent: 0pt, justify: false, leading: 0.2em)
  grid(
    columns: (1fr, 1.2fr),
    column-gutter: 15pt,
    [
      #grid(
        columns: (20pt, 1fr),
        rows: (auto, auto),
        column-gutter: 8pt,
        row-gutter: 8pt,
        if contact-lines.len() == 0 { none } else { footer-icon("email", company.brand.color) },
        contact-lines.join([\ ]),
        if contacts.address == none { none } else { footer-icon("location", company.brand.color) },
        if contacts.address == none { none } else { contacts.address },
      )
    ],
    grid(
      columns: (1fr, 20pt),
      rows: (auto, auto),
      column-gutter: 8pt,
      row-gutter: 8pt,
      align: (right, center + horizon),
      align(right, id-lines.join([\ ])),
      if id-lines.len() == 0 { none } else { footer-icon("card", company.brand.color) },
      align(right, banking-lines.join([\ ])),
      if banking-lines.len() == 0 { none } else { footer-icon("bank", company.brand.color) },
    ),
  )
}

#let letter-header(
  company,
  recipient,
  date: none,
  reference: none,
  title: none,
  media_policy: "placeholder",
) = {
  set par(first-line-indent: 0pt, justify: false, leading: 0.65em)
  place(top + left, dx: 10cm, dy: -1.5cm)[
    #rect(
      width: 6.5cm,
      height: 2cm,
      fill: letter-accent,
      radius: (bottom: 2pt),
    )
  ]
  v(30pt)
  box(width: 4cm, height: 2.5cm)[
    #company-logo(company, width: 4cm, height: 2.5cm, policy: media_policy)
  ]
  v(-50pt)
  v(2.5cm)
  grid(
    columns: (1.4fr, 1fr),
    [
      #if reference != none { [Исх. № #reference] }
      #if date != none { [ от #date] }
    ],
    [
      #if recipient.company != none { [#recipient.company\ ] }
      #if recipient.title != none { [#recipient.title\ ] }
      #if recipient.name != none { recipient.name }
      #if recipient.address != none { [\ #recipient.address] }
    ],
  )
  v(0.7cm)
  if title != none {
    align(center)[#text(weight: "bold")[#upper(title)]]
    v(0.2cm)
  }
}

#let attachment-list(attachments) = {
  let items = if type(attachments) == dictionary { attachments.items } else { attachments }
  if items.len() > 0 {
    set par(first-line-indent: 0pt, justify: false)
    for (index, item) in items.enumerate() {
      let number = if item.number == auto { index + 1 } else { item.number }
      [Приложение #number: #item.title]
      if index < items.len() - 1 { linebreak() }
    }
  }
}

#let requisites-table(parties) = {
  let field-labels = (
    inn: "ИНН",
    kpp: "КПП",
    ogrn: "ОГРН",
    bin: "БИН",
    kbe: "КБе",
    address: "Юридический адрес",
    legal-address: "Юридический адрес",
    phone: "Телефон",
    email: "E-mail",
    website: "Сайт",
    bank: "Банк",
    account: "Расчётный счёт",
    settlement-account: "Расчётный счёт",
    correspondent-account: "Корреспондентский счёт",
    ks: "Корреспондентский счёт",
    bik: "БИК",
    iban: "IBAN",
  )
  let hidden-fields = (
    "name",
    "short-name",
    "jurisdiction",
    "summary",
    "address-en",
    "city",
  )
  let render-fields(fields) = {
    for (key, value) in fields {
      if value != none and key not in hidden-fields {
        let label = field-labels.at(key, default: key)
        [#label: #value\ ]
      }
    }
  }
  let columns = range(parties.len()).map(_ => 1fr)
  table(
    columns: columns,
    stroke: 0.5pt,
    inset: 6pt,
    ..parties.map(item => [
      #set par(first-line-indent: 0pt, justify: false, leading: 0.75em)
      #text(weight: "bold")[#item.role] \
      #item.name \
      #render-fields(item.legal)
      #render-fields(item.contacts)
      #render-fields(item.banking)
    ]),
  )
}

#let multi-party-signing(parties, media_policy: "reserve-space") = {
  let columns = range(parties.len()).map(_ => 1fr)
  grid(
    columns: columns,
    column-gutter: 16pt,
    ..parties.map(item => {
      let person = item.representative
      [
        #set par(first-line-indent: 0pt, justify: false, leading: 0.75em)
        #if person != none {
          grid(
            columns: (1fr,),
            rows: (auto, 0.35cm, 3.5cm, 0.25cm, auto),
            [#text(weight: "bold")[#item.role] \ #person.title],
            [],
            block(width: 100%, height: 3.5cm)[
              #signing-media(
                person.stamp,
                person.signature,
                media_policy,
                show_stamp: true,
                offset: 0cm,
              )
            ],
            [],
            [#person.name],
          )
        } else {
          text(weight: "bold")[#item.role]
        }
      ]
    }),
  )
}

#let appendix-heading(item, display-number) = {
  set par(first-line-indent: 0pt, justify: false, leading: 0.75em)
  align(right)[Приложение #display-number]
  v(0.2cm)
  align(center)[
    #text(weight: "bold")[#upper(item.title)]
    #if item.subtitle != none { [\ #text(weight: "bold")[#item.subtitle]] }
  ]
}