Mô đun:Infobox television season name

local match = require("Module:String")._match

local p = {}

--- Returns a formatted link to the list of episodes article.
--- @param listOfEpisodesArticle string
--- @return string
local function getListOfEpisodesLink(listOfEpisodesArticle)
local listOfEpisodesPage = mw.title.new(listOfEpisodesArticle, 0)
if listOfEpisodesPage and listOfEpisodesPage.exists and listOfEpisodesPage.redirectTarget ~= mw.title.getCurrentTitle() then
return string.format("Danh sách các tập phim", listOfEpisodesArticle)
end
end

--- Trả về link bài viết.
--- @param article string Tiêu đề bài viết.
--- @param pipedLink string The piped link.
--- @return string
local function getArticleLink(article, pipedLink)
if not pipedLink or pipedLink == "" then
return "" .. article .. ""
end
return "" .. pipedLink .. ""
end

--- Trả về tên chương trình và số mùa từ từ tiêu đề.
--- @param showName string Tiêu đề chương trình.
--- @return nil | number | string, nil | number | string
local function getShowNameAndSeasonNumberFromShowName(showName)
local _, _, showNameModified, seasonNumber = string.find(showName, "(.)%s+(%d+)$")
return showNameModified, seasonNumber
end

--- Returns the current season number from the disambiguation.
--- @param disambiguation string The article's disambiguation.
--- @return string
local function getCurrentSeasonNumberFromDisambiguation(disambiguation)
return match(disambiguation , "%d+", 1, -1, false, "")
end

--- Returns the type of word used for "season" in the disambiguation.
---
--- The returned value can be one of three options: "season", "series", "story arc" or "specials".
--- @param disambiguation string The article's disambiguation.
--- @return string
local function getSeasonType(disambiguation)
for _, seasonType in pairs({"season", "series", "story arc", "specials", "mùa", "phần"}) do
if string.find(disambiguation, seasonType) then
return seasonType
end
end
return "season"
end

--- Returns the disambiguation without the "phim truyền hình (year)," part.
--- @param disambiguation string The article's disambiguation.
--- @return string
local function getShortDisambiguation(disambiguation)
local shortDisambiguation, _ = string.gsub(disambiguation, "phim truyền hình %d+, ", "")
return shortDisambiguation
end

--- Returns the disambiguation from the title.
--- @param title string The article's title.
--- @return string | nil
local function getDisambiguation(title)
local disambiguation = match(title, "%s%((.-)%)", 1, -1, false, "")
if disambiguation == "" then
return nil
end
return disambiguation
end

--- Returns the TV program's disambiguation.
--- @param disambiguation string The disambiguation used in the season's article title.
--- @return string
local function getTVProgramDisambiguation(disambiguation)
if not disambiguation then
return ""
end

-- Check if the disambiguation is normal 'season ' or 'series '.
-- If so, remove disambiguation.
if string.match(disambiguation, "^mùa %d$") or string.match(disambiguation, "^phần %d$") then
return ""
end

local disambiguationStyle = " (%s)"
-- Check if the disambiguation is extended and has 'phim truyền hình' and isn't just season .
-- Only leave the TV series disambiguation, not including the season .
-- Example: Teenage Mutant Ninja Turtles (phim truyền hình 1987, mùa 5) will return 'phim truyền hình 1987'.
if string.find(disambiguation, "phim truyền hình") then
local shortDisambiguation, _ = disambiguation:match("^(.),")
if shortDisambiguation then
return string.format(disambiguationStyle, shortDisambiguation)
end
end

-- Check if the disambiguation is extended with country adjective.
-- Example: The Office (American season 2) will return "American season 2".
-- Keep only country adjective.
local countryDisambiguation = disambiguation:match("^(.) mùa %d") or disambiguation:match("^(.) phần %d")
local data = mw.loadData("Module:Country adjective")
local valid_result = data.getCountryFromAdj[countryDisambiguation]
-- Check if the country adjective is valid.
if valid_result then
-- Add 'TV series' suffix
return string.format(disambiguationStyle, countryDisambiguation .. " TV series")
end

-- Not a known disambiguation style. Use whatever was used in the title or manually added.
-- Note: might not be a valid style link.
return string.format(disambiguationStyle, disambiguation)
end

--- Returns the show's name from the title.
--- @param title string The article's title.
--- @return string
local function getShowName(title)
local name, _ = mw.ustring.gsub(title, "%s+%b()$", "")
return name
end

--- Returns "true" if the given link is valid; nil otherwise.
--- A link is valid in the following cases:
--- -- A season article exists.
--- -- A redirect exists to a season section.
---
--- A link is invalid in the following cases:
--- -- A season article or redirect do not exist.
--- -- A redirect exists, but it is a general redirect and not for any specific season section.
---
--- Note: Return values are not booleans as the returned value is used in template space.
--- @param title string The article's title.
--- @return string | nil
local function isLinkValid(title)
local article = mw.title.new(title)

-- Article or redirect do not exist; Not a valid link.
if not article or not article.exists then
return nil
end

local redirectTarget = article.redirectTarget

-- Article exists and is not a redirect; Valid link.
if not redirectTarget then
return "true"
end

local fullLink = redirectTarget.fullText
local isSection = fullLink:find("")

-- Article is a section redirect; Valid link.
if isSection then
return "true"
end

-- Article is a general redirect; Not a valid link.
return nil
end

--- Returns a season article title and a piped link.
---
--- The following are the supported season naming styles:
--- -- Style: ( )
--- Example: Lost (season 2).
--- Example: Doctor Who (series 2).
--- -- Style: ( )
--- Example: The Office (American season 2).
--- Example: X Factor (British series 2).
--- -- Style: ( )
--- Example: Big Brother 2 (American season).
--- -- Style: ( TV series, )
--- Example: Teenage Mutant Ninja Turtles (1987 TV series, season 2)
--- -- Style: ( TV series, )
--- Example: Love Island (British TV series, series 2)
--- @param title string The article's title.
--- @param seasonNumberDiff number The number difference between the current season and the other season.
--- @return string, string
local function getArticleTitleAndPipedLink(title, seasonNumberDiff)
local disambiguation = getDisambiguation(title)
local shortDisambiguation
local seasonType
local seasonNumber
local pipedLink = ""

if disambiguation then
shortDisambiguation = getShortDisambiguation(disambiguation)
seasonType = getSeasonType(shortDisambiguation)
seasonNumber = getCurrentSeasonNumberFromDisambiguation(shortDisambiguation)
pipedLink = seasonType:gsub("^%l", string.upper) .. " "
end

local showName = getShowName(title)
local showNameModified
if not seasonNumber or seasonNumber == "" then
-- Not a valid next/prev season link
if not string.match(showName, "%s+(%d+)$") then
return "", nil
end

showNameModified, seasonNumber = getShowNameAndSeasonNumberFromShowName(showName)
end

if tonumber(seasonNumber) == nil then
return "", nil
end

seasonNumber = seasonNumber + seasonNumberDiff
pipedLink = pipedLink .. seasonNumber

-- Titles such as "Big Brother 1 (American season)""
if showNameModified and disambiguation then
return showNameModified .. " " .. seasonNumber .. " (" .. disambiguation .. ")", pipedLink

-- Titles such as "Big Brother Brasil 1"
elseif showNameModified then
return showNameModified .. " " .. seasonNumber, nil

-- Standard titles such as "Lost (season 1)"
else
local newDisambiguation, _ = string.gsub(disambiguation, "%d+$", seasonNumber)
return showName .. " (" .. newDisambiguation .. ")", pipedLink
end
end

--- Returns the article's title either from args (usually from /testcases) or from the page itself.
--- @param frame table The frame invoking the module.
--- @return string
local function getTitle(frame)
local getArgs = require("Module:Arguments").getArgs
local args = getArgs(frame)
local title = args.title

if not title then
title = mw.title.getCurrentTitle().text
end
return title
end

--- Returns "true" if the given season link is valid; nil otherwise.
--- @param frame table The frame invoking the module.
--- @param seasonNumberDiff number The number difference between the current season and the other season.
--- @return string | nil
local function isSeasonLinkValid(frame, seasonNumberDiff)
local title = getTitle(frame)
local articleTitle, _ = getArticleTitleAndPipedLink(title, seasonNumberDiff)
return isLinkValid(articleTitle)
end

--- Returns a season article link.
--- @param frame table The frame invoking the module.
--- @param seasonNumberDiff number The number difference between the current season and the other season.
--- @return string
local function getSeasonArticleLink(frame, seasonNumberDiff)
local title = getTitle(frame)
local articleTitle, pipedLink = getArticleTitleAndPipedLink(title, seasonNumberDiff)
return getArticleLink(articleTitle, pipedLink)
end

--- Returns "true" if the season link for the next season is valid; nil otherwise.
--- @param frame table The frame invoking the module.
--- @return string | nil
function p.isNextSeasonLinkValid(frame)
return isSeasonLinkValid(frame, 1)
end

--- Returns "true" if the season link for the previous season is valid; nil otherwise.
--- @param frame table The frame invoking the module.
--- @return string | nil
function p.isPrevSeasonLinkValid(frame)
return isSeasonLinkValid(frame, -1)
end

--- Returns "true" if the season link for the previous or next season is valid; nil otherwise.
--- @param frame table The frame invoking the module.
--- @return string | nil
function p.isPrevOrNextSeasonLinkValid(frame)
if p.isPrevSeasonLinkValid(frame) == "true" then
return "true"
end
return p.isNextSeasonLinkValid(frame)
end

--- Returns the next season article title.
--- @param frame table The frame invoking the module.
--- @return string
function p.getNextSeasonArticle(frame)
return getSeasonArticleLink(frame, 1)
end

--- Returns the previous season article title.
--- @param frame table The frame invoking the module.
--- @return string
function p.getPrevSeasonArticle(frame)
return getSeasonArticleLink(frame, -1)
end

--- Returns the type of season word used - "season" or "series".
--- @param frame table The frame invoking the module.
--- @return string
function p.getSeasonWord(frame)
local title = getTitle(frame)
local disambiguation = getDisambiguation(title)
if not disambiguation then
return ""
end

local shortDisambiguation = getShortDisambiguation(disambiguation)
local seasonType = getSeasonType(shortDisambiguation)
if seasonType == "specials" then
seasonType = "season"
end

return seasonType
end

--- Returns the relevant text for the sub-header field.
---
--- The text is returned in the format of "Season " or "Series ",
--- depending on either what the article disambiguation uses, or on the manually entered parameters of the infobox.
--- @param frame table The frame invoking the module.
--- @return string | nil
function p.getInfoboxSubHeader(frame)
local getArgs = require("Module:Arguments").getArgs
local args = getArgs(frame)

local seasonType
local seasonNumber
if args.season_number then
seasonType = "Mùa"
seasonNumber = args.season_number
elseif args.series_number then
seasonType = "Phần"
seasonNumber = args.series_number
end

local title = getTitle(frame)
local disambiguation = getDisambiguation(title)
if not seasonNumber and disambiguation then
local shortDisambiguation = getShortDisambiguation(disambiguation)

seasonType = getSeasonType(shortDisambiguation)
if seasonType == "specials" then
return shortDisambiguation
end
seasonType = seasonType:sub(1, 1):upper() .. seasonType:sub(2)
seasonNumber = getCurrentSeasonNumberFromDisambiguation(shortDisambiguation)
end

if seasonNumber and seasonNumber ~= "" then
return seasonType .. " " .. seasonNumber
end

return nil
end

--- Returns a formatted link to the list of episodes article.
---
--- The returned link is in the style of:
--- [List of episodes |List of episodes]
---
--- The link will only return if the page exists.
--- @param frame table The frame invoking the module.
--- @return string | nil
function p.getListOfEpisodes(frame)
local getArgs = require("Module:Arguments").getArgs
local args = getArgs(frame)

if args.link then
-- Parameter should be unformatted.
if string.find(args.link, "%[") then
local delink = require("Module:Delink")._delink
args.link = delink({args.link, wikilinks = "target"})
end

return getListOfEpisodesLink(args.link)
end

local title = getTitle(frame)
local showName = getShowName(title)

if showName then
local disambiguation = getDisambiguation(title)
local TVProgramDisambiguation = getTVProgramDisambiguation(disambiguation)
local listOfEpisodesArticle = string.format("Danh sách các tập phim %s%s", showName, TVProgramDisambiguation)
return getListOfEpisodesLink(listOfEpisodesArticle)
end
end

return p