Difference between revisions of "Module:Card type"

Revision as of 20:01, 28 August 2017

--  <pre>
--  Module for {{Card type}}.
--  Can also be used through other modules.
--  @@@ for ideas. 
local CardType = {};

---------------------
--  External modules:
---------------------
local getArgs = require( 'Dev:Arguments' ).getArgs;

---------
--  Data:
---------
local data              = mw.loadData( 'Module:Card type/data' );
local abilities         = data.abilities;
local monsterCardTypes  = data.monsterCardTypes;

------------------
--  Aux functions:
------------------
--  mw functions:
local split = mw.text.split;

--  Trim function:
--  Trims white space from front and tail of string.
--  If the input is only white space, returns nil.
function _trim( s )
    if s and not s:match( '^%s*$' ) then
        return mw.text.trim( s ); -- If not nil nor empty.
    end
end

--  Link function:
--  If a string is passed, links it;
--  uses a label, when given.
--  If a table is passed, links every instance of it;
--  uses a table of labels, respectively for each entry, when given.
function _link( v, ... )
    local labels = type( ... or nil ) == 'table' and ... or  { ... };  --  Make sure it's a table.
    local function __link( v, label )
        return ('[[%s|%s]]'):format( v, (_trim( label ) or split( v, ' %(' )[1]) );
    end
    if type( v ) == 'string' then
        return __link( v, labels[1] );
    elseif type( v ) == 'table' then
        local t = {};
        for key, value in ipairs( v ) do
            table.insert( t, __link( value, labels[key] ));
        end
        return t;
    else
        return v; -- @@@ error()
    end
end

--  Unlink function:
--  If a string is passed, unlinks
--  and returns the page name (not the label).
--  If a table is passed, unlinks every instance of it
--  and returns the table with the page names for each respective entry.
function _unlink( v )
    local function __unlink( v )
        return _trim( v ) and (v:match( '%[%[:?(.-)[|%]]' ) or _trim( v ));
    end
    if type( v ) == 'string' then
        return __unlink( v );
    elseif type( v ) == 'table' then
        local t = {};
        for key, value in ipairs( v ) do
            table.insert( t, __unlink( value ));
        end
        return t;
    else
        return v;
    end
end

--  Table count function:
--  Given a table, counts how many valuee it has.
function _count( t ) -- @@@ error() for wrong type()
    local counter = 0;
    for key, value in pairs( t ) do
        counter = counter + 1;
    end
    return counter;
end

--  Error function:
--  Generates error messages and categories.
function _error( message ) -- @@@ input list of categories.
    local _error = mw.html.create( 'div' )
                    :tag( 'strong' ):addClass( 'error' ):wikitext( ('Error: %s'):format( message ) ):done()
                :allDone();
    local cat = '[[Category:Pages with script errors]][[Category:((Card type)) transclusions to be checked]]';
    return ('%s\n%s'):format( tostring( _error ), cat ); -- @@@ or error()
end

function _redirect( card )
    local pagename = _trim( _show( card, 'Page name' ) );
    return pagename ~= card and pagename;
end

--  Show function:
--  Similar to #show parser function.
--  Returns table with the results.
function _show( page, property, link )
    --  At this point, SMW is enabled and «page» is formatted properly (as pagename).
    local result =  mw.smw.ask{ _link( page ), ('?%s='):format( property ), mainlabel = '-' };
    
    if not result or _count( result ) == 0 or _count( result[1] ) == 0 then
        return;
    end
    
    local show = type( result[1][1] ) == 'string' and result[1] or result[1][1];

    return table.concat( link and show or _unlink( show ), '\n' );
end

-------------------
--  Main functions:
-------------------
--  Monster card type function:
--  Only one allowed per card.
--  «Pendulum» is not included here.
function _monsterCardType( t )
    for key, value in ipairs( t ) do
        if monsterCardTypes[_trim( value:lower():gsub( ' monster', '' ) )] then
            return value;
        end
    end
end

--  Ability function:
--  Only one allowed per card.
function _ability( t )
    for key, value in ipairs( t ) do
        if abilities[_trim( value:lower():gsub( ' monster', '' ) )] then
            return value;
        end
    end
end

--  Effect function:
--  Misleading name; checks for Effect/Normal Monster. 
function _effect( t )
    for key, value in ipairs( t ) do
        if value:match('Effect') then
            return 'Effect Monster';
        elseif value:match('Normal') then
            return 'Normal Monster';
        end
    end
end

--  Full card type function (for monsters only):
--  Given every value a monster can have,
--  Concatenates them and returns.
function _full( pendulum, monsterCardType, tuner, ability, effect )
    --  Effect <Ability> Tuner <Monster card type> Pendulum
    --  Build backwards.
    local cardType = {};
    local notLast  = false;
    if pendulum then
        table.insert( cardType, 1, _link( 'Pendulum Monster' ));
        notLast = true;
    end
    if monsterCardType then
        table.insert( cardType, 1, _link( monsterCardType, notLast and monsterCardType:gsub( ' [Mm]onster', '' ) ) );
        notLast = true;
    end
    if tuner then
        table.insert( cardType, 1, _link( 'Tuner monster' , notLast and 'Tuner' ) );
        notLast = true;
    end
    if ability then
        table.insert( cardType, 1, _link( ability, notLast and ability:gsub( ' [Mm]onster', '' ) ) );
        notLast = true;
    end
    if effect and not ability then
        table.insert( cardType, 1, _link( effect, notLast and effect:gsub( ' [Mm]onster', '' ) ) );
    end

    return table.concat( cardType, ' ' ) -- @@@ [[Tuner Synchro]], unlink.
end

--  Monster card function:
--  Fetches monster card type, ability, Pendulum, Tuner, Token.
--  Prints full card type.
function _monster( card )
    local primary = _show( card, 'Primary type' );
    if not _trim( primary ) then
        return card:match( '(original)' ) and _link( 'Monster Card' )   --  For Egyptian Gods.
            or _error( 'On «_monster»; No primary type available!' );
    end
    if primary:match('Token') then
        return _link( 'Token Monster', 'Token' );
    end
    
    --  Primary type:
    local primaryTable    = split( primary, '\n' );
    local monsterCardType = _monsterCardType( primaryTable );
    local pendulum        = primary:match('Pendulum');
    local effect          = _effect( primaryTable );
    
    --  Secondary type:
    local secondary       = _trim( _show( card, 'Secondary type' ) );
    local secondaryTable  = secondary and split( secondary, '\n' );
    local ability         = secondary and _ability( secondaryTable );
    local tuner           = secondary and secondary:match('Tuner');
    
    --  Full monster card type:
    local full = _full( pendulum, monsterCardType, tuner, ability, effect );
    return full;
end

--  Spell card function:
--  Fetches property,
--  Prints full card type.
function _spell( card )
    local _property = _show( card, 'Property' );
    if not _trim( _property ) then
        return _error( 'On «_spell»; No property available!' )
    end
    
    return ('%s %s'):format( _show( card, 'Property (short)', true ), _link( 'Spell Card' ) );
end
--@@@ may be merged, depending on what I want to do later.
--  Trap card function:
--  Fetches property,
--  Prints full card type.
function _trap( card )
    local _property = _show( card, 'Property' );
    if not _trim( _property ) then
        return _error( 'On «_trap»; No property available!' )
    end
    
    return ('%s %s'):format( _show( card, 'Property (short)', true ), _link( 'Spell Card' ) );
end

function _counter()
    return _link( 'Counter' );
end

--  Type function:
--  Processes the card, to figure out the actual card type:
--  Monster, Spell, Trap, other.
--  (where «other» can be Tip, Strategy, etc..) 
function _type( card )
    local _cardType = _show( card, 'Card type' );
    if not _trim( _cardType ) then
        return _error( 'On «_type»; No card type available!' );
    end
    
    _cardType = _cardType:lower();
    if _cardType:match('monster') then
        return _monster( card );
    elseif _cardType:match('spell') then
        return _spell( card );
    elseif _cardType:match('trap') then
        return _trap( card );
    elseif _cardType:match('counter') then -- @@@ tip/strategy/nongame??NoSMW/FAQ??
        return _counter();
    else
        return _error( 'On «_type»; Non-standard card type!' );
    end
end

function _class( card )
   
   return 
end

--  _main function, to be exported:
--  Processes a string, the card name.
--  Looks for errors (if empty).
--  Else, figures the card type.
function _main( s )
    local _card = _unlink( s );
    if not _card then
        return _error( 'Empty value!' );
    end
    local _page = _card:gsub( '#', '' );
    -- @@@ check if it's from the actual game( Class 1: Official )
    local redirect = _redirect( _page ); -- @@@cat + text
    
    return _type( _page )
end

--  Main function:
--  Processes input;
--  if it's a frame (used externally, through {{Card type}},
--  fetch value, throws errors regarding the number of arguments; Then sends it to _main.
--  Else, (if it's a string (should be, if used through other modules!))
--  Send it to _main directly.
function CardType.main( frame )
    if not mw.smw then
        return _error( 'mw.smw module not found' );
    end
    if type( frame ) == 'string' then
        --  If used through other modules.
        return _main( frame );
    end
    --  «args» for the args table;
    --  «argsN» for the number or arguments;
    local args = getArgs( frame, { trim = true, parentOnly = true } ); -- Args table.
    
    local argsN = _count( args );
    if argsN > 1 then
        return _error( 'Too many arguments! Use only one!' );
    elseif argsN < 1 then
        return _error( 'No arguments! Use one!' );
    end
    
    return _main( args[1] );
end

return CardType;
--  </pre>
Difference between revisions of "Module:Card type"

Revision as of 20:01, 28 August 2017

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