module Modules exposing
  ( Module
  , all_modules
  , build_license
  , download_license
  , DownloadType(..)
  , ModuleInfo
  , module_info
  , module_property
  , module_desc
  , module_sorter
  )

import Html exposing (Html, text, a)
import Html.Attributes exposing (href)
import Sort exposing (Sorter)
import File.Download as Download

type Module
  = CarbonUnderground
  | Ecocide
  | Extractive
  | BDS
  | Taliban
  | Myanmar
  | XinjiangUygar
  | UsTariff
  | Surveillance
  | Military
  | LawEnforcement
  | Media
  | SocialAuditing
  | BoardOfDirectors
  | SupplyChain
  | Copyleft

all_modules : List Module
all_modules =
  [ CarbonUnderground
  , Ecocide
  , Extractive
  , BDS
  , Taliban
  , Myanmar
  , XinjiangUygar
  , UsTariff
  , Surveillance
  , Military
  , LawEnforcement
  , Media
  , SocialAuditing
  , BoardOfDirectors
  , SupplyChain
  , Copyleft
  ]

type alias ModuleInfo =
  { name: String
  , desc: List (Html Never)
  , index: Int
  }

module_info : Module -> ModuleInfo
module_info mod = case mod of
  CarbonUnderground ->
    { name = "Carbon Underground 200"
    , desc =
      [ text
        """
        Disallow use by the top global publicly-owned coal, oil, and gas reserve (judged
        by
        """
      , a
        [ href "https://www.ffisolutions.com/research-analytics-index-solutions/research-screening/the-carbon-underground-200/"
        ]
        [ text "the FFI Carbon Underground 200)" ]
      ]
    , index = 0
    }
  Ecocide ->
    { name = "Ecocide"
    , desc = [text "Disallow anyone who knowingly commits widespread or long term ecocide"]
    , index = 1
    }
  Extractive ->
    { name = "Extractive Industries"
    , desc =
      [text
        """
        Disallow use by anyone involved in fossil fuel / mineral exploitation,
        extraction, development, and sale
        """
      ]
    , index = 2
    }
  BDS ->
    { name = "BDS (Boycott, Divestment, Sanctions)"
    , desc =
      [ text "Disallow use by anyone on the "
      , a
        [ href "https://bdsmovement.net/" ]
        [ text "Boycott, Divestment, Sanctions'" ]
      , text "list"
      ]
    , index = 3
    }
  Taliban ->
    { name = "Taliban"
    , desc = [text "Disallow use by anyone who trades with, works with, or is the Taliban"]
    , index = 4
    }
  Myanmar ->
    { name = "Myanmar"
    , desc =
      [ text
        """
        Disallow use by anyone who trades with, works with, or is the Myanmar/Burmese
        military
        """
      ]
    , index = 5
    }
  XinjiangUygar ->
    { name = "Xinjiang Uygur Autonomous Region"
    , desc =
      [ text
        """
        Disallow use by anyone who works with or is someone who benefits from goods
        produced in the Xinjiang Uygur Autonomous Region of China
        """
      ]
    , index = 6
    }
  UsTariff ->
    { name = "U.S. Tariff Act"
    , desc =
      [ text
        """
        Disallow use by anyone who works with or is someone who the U.S. Customs and
        Border Protection believes uses forced labor
        """
      ]
    , index = 7
    }
  Surveillance ->
    { name = "Mass Surveillance"
    , desc =
      [ text
        """
        Disallow use by anyone who works with or is a goverment/multinational corporation
        who participates in a mass-surveilence program
        """
      ]
    , index = 8
    }
  Military ->
    { name = "Military Activities"
    , desc =
      [ text
        """
        Disallow use by anyone who works with or is a goverment/multinational corporation
        who conducts military activities
        """
      ]
    , index = 9
    }
  LawEnforcement ->
    { name = "Law Enforcement"
    , desc =
      [ text
        """
        Disallow use by anyone who works with or anyone who trades with or offers support
        to local, state, or federal law enforcement
        """
      ]
    , index = 10
    }
  Media ->
    { name = "Media"
    , desc =
      [ text
        """
        Disallow use by anyone who is or works with someone who broadcasts messages
        promoting violence
        """
      ]
    , index = 11
    }
  SocialAuditing ->
    { name = "Social Auditing"
    , desc =
      [ text
        """
        Require that organizations that use your software only use social auditing methods
        that adhere to the principles of the
        """
      , a
        [ href "https://wsr-network.org/what-is-wsr/statement-of-principles/" ]
        [ text "Worker-Driven Social Responsibility Network," ]
      , text
        """
        or not use social auditing methods at all
        """
      ]
    , index = 12
    }
  BoardOfDirectors ->
    { name = "Workers on Board of Directors"
    , desc =
      [ text
        """
        If the organization using your software has a board of directors, require that
        they have at least 30% of the seats on the board be paid less than twice the
        amount of the the lowest paid worker in the organization
        """
      ]
    , index = 13
    }
  SupplyChain ->
    { name = "Supply Chain Transparency"
    , desc =
      [ text
        """
        Require that whoever uses your software must publish information about their
        supply chain on a public website
        """
      ]
    , index = 14
    }
  Copyleft ->
    { name = "Copyleft"
    , desc =
      [ text
        """
        Require that any modifications or derivitive works based on your software or
        source code be licensed under the exact same license
        """
      ]
    , index = 15
    }

module_property : (ModuleInfo -> a) -> Module -> a
module_property adapter mod = adapter (module_info mod)

module_desc : Module -> List (Html a)
module_desc mod =
  module_property .desc mod
    |> List.map (Html.map never)

module_sorter : Sorter Module
module_sorter = Sort.by (module_property .index) Sort.increasing

-- License Building

type DownloadType
  = Plain
  | Markdown
  | Html

download_mime : DownloadType -> String
download_mime dtype =
  case dtype of
    Plain -> "text/plain"
    Markdown -> "text/markdown"
    Html -> "text/html"

download_ext : DownloadType -> String
download_ext dtype =
  case dtype of
    Plain -> "txt"
    Markdown -> "md"
    Html -> "html"

build_license : DownloadType -> List Module -> String
build_license dtype modules =
  "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa!"

download_license : DownloadType -> List Module -> Cmd msg
download_license dtype modules =
  Download.string
    ("LICENSE." ++ (download_ext dtype))
    (download_mime dtype)
    (build_license dtype modules)