/*

File: Mattress.m

Abstract: declarations for the Mattress container

class provided by the scripting plugin.  Mattresss can

contain trinkets and treasures.

Version: 1.0

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*/

#import "Mattress.h"

#import "Trinket.h"

#import "Treasure.h"

#import "TrinketCategory.h"

#import "TreasureCategory.h"

#import "scriptLog.h"

@implementation Mattress

    /* after initializing our superclasses, we set the properties we're

    maintaining in this class to their default values.  Here I have chosen

    to initialize the label field to a unique string using a counter.

    See the description of the NSCreateCommand for more information about

    when your init method will be called.   */

- (id)init {

    if ((self = [super init]) != nil) {

        theTrinkets = [[NSMutableArray alloc] init];

        theTreasures = [[NSMutableArray alloc] init];

    }

        /* I put the logging statement later after the superclass was initialized

        so we will be able to report the uniqueID */

    SLOG(@"init Mattress %@", [self uniqueID]);

    return self;

}

    /* standard deallocation of our members followed by superclass.

    nothing out of the ordinary here. */

- (void)dealloc {

    SLOG(@"dealloc Mattress %@", [self uniqueID]);

    [theTrinkets release];

    [theTreasures release];

    [super dealloc];

}

    /* kvc method for the 'weight' AppleScript property.  Note that rather

    than simply returning a value, this method calculates its result by

    summing the weights of all of the trinkets and treasures contained

    in the Mattress.

    Also note, 'weight' is a declared as a read only property in our scripting

    definition file so we have not defined a 'setWeight:' method here.  */

- (NSNumber *)weight {

    double totalWeight = 0.0;

    NSEnumerator *trinketEnumerator = [theTrinkets objectEnumerator];

    NSEnumerator *treasureEnumerator = [theTreasures objectEnumerator];

    Trinket* nthTrinket;

    Treasure* nthTreasure;

    NSNumber *theResult;

        /* sum the weights of all of the trinkets in the Mattress */

    while ( (nthTrinket = (Trinket*) [trinketEnumerator nextObject]) != nil ) {

        totalWeight += [[nthTrinket weight] doubleValue];

    }

        /* sum the weights of all of the treasures in the Mattress */

    while ( (nthTreasure = (Treasure*) [treasureEnumerator nextObject]) != nil ) {

        totalWeight += [[nthTreasure weight] doubleValue];

    }

        /* return the calculated weight */

    theResult = [NSNumber numberWithDouble:totalWeight]; 

    SLOG(@"weight of Mattress %@ = %@", [self uniqueID], theResult);

    return theResult;

}

    /* kvc method for the 'value' AppleScript property.  Here also rather

    than simply returning a value, this method calculates its result by

    summing the values of all of the treasures contained in the Mattress.

    And, as with the 'weight' property, 'value' is a declared as a read

    only property in our scripting definition file so we have not

    defined a 'setValue:' method here. */

- (NSNumber *)value {

    double totalValue = 0.0;

    NSEnumerator *treasureEnumerator = [theTreasures objectEnumerator];

    Treasure* nthTreasure;

    NSNumber *theResult;

        /* sum the values of all of the treasures in the Mattress */

    while ( (nthTreasure = (Treasure*) [treasureEnumerator nextObject]) != nil ) {

        totalValue += [[nthTreasure value] doubleValue];

    }

    theResult = [NSNumber numberWithDouble:totalValue]; 

    SLOG(@"value of Mattress %@ = %@", [self uniqueID], theResult);

    return theResult;

}

    /* kvc methods for the 'trinkets' AppleScript element.  Here we implement the methods

    necessary for maintaining the list of trinkets inside of a Mattress.  Note the names.

    I our scripting definition file we specified that the 'Mattress' class contains an

    element of type 'trinket', like so:

        <element type="trinket"/>

    Cocoa will use the plural form of the class name, 'trinkets',  when naming the

    property used by AppleScript to access the list of Mattresss, and we should use

    the property name when naming our methods.  So, using the property name, we

    name our methods as follows:

        - (NSArray *)trinkets;

        - (void)insertInTrinkets:(id)trinket;

        - (void)insertInTrinkets:(id)trinket atIndex:(unsigned)index;

        - (void)removeFromTrinketsAtIndex:(unsigned)index;

    */

    /* return the entire list of trinkets */

- (NSArray *)trinkets {

    SLOG(@"returning trinkets from a Mattress %@", [self uniqueID]);

    return theTrinkets;

}

    /* insert a trinket at the beginning of the list */

- (void)insertInTrinkets:(id)trinket {

    SLOG(@"inserting trinket %@ into Mattress %@", [((Trinket *)trinket) uniqueID], [self uniqueID]);

    [trinket setContainer:self andProperty:@"trinkets"];

    [theTrinkets insertObject:trinket atIndex:0];

}

    /* insert a trinket at some position in the list */

- (void)insertInTrinkets:(id)trinket atIndex:(unsigned)index {

    SLOG(@"insert trinket %@ at index %d into Mattress %@", [((Trinket *)trinket) uniqueID], index, [self uniqueID]);

    [trinket setContainer:self andProperty:@"trinkets"];

    [theTrinkets insertObject:trinket atIndex:0];

}

    /* remove a trinket from the list */

- (void)removeFromTrinketsAtIndex:(unsigned)index {

    SLOG(@"removing trinket at %d from Mattress %@", index, [self uniqueID]);

    [theTrinkets removeObjectAtIndex:index];

}

    /* kvc methods for the 'treasure' AppleScript element.  Here we implement the methods

    necessary for maintaining the list of trinkets inside of a Mattress.  Note the names.

    I our scripting definition file we specified that the 'Mattress' class contains an

    element of type 'treasure', like so:

        <element type="treasure"/>

    Cocoa will use the plural form of the class name, 'treasures',  when naming the

    property used by AppleScript to access the list of Mattresss, and we should use

    the property name when naming our methods.  So, using the property name, we

    name our methods as follows:

        - (NSArray *)treasures;

        - (void)insertInTreasures:(id)treasure;

        - (void)insertInTreasures:(id)treasure atIndex:(unsigned)index;

        - (void)removeFromTreasuresAtIndex:(unsigned)index;

    */

    /* return the entire list of treasures */

- (NSArray *)treasures {

    SLOG(@"returning treasures from a Mattress %@", [self uniqueID]);

    return theTreasures;

}

    /* insert a treasure at the beginning of the list */

- (void)insertInTreasures:(id)treasure {

    SLOG(@"inserting treasure %@ into Mattress %@", [((Treasure *)treasure) uniqueID], [self uniqueID]);

    [treasure setContainer:self andProperty:@"treasures"];

    [theTreasures insertObject:treasure atIndex:0];

}

    /* insert a treasure at some position in the list */

- (void)insertInTreasures:(id)treasure atIndex:(unsigned)index {

    SLOG(@"insert treasure %@ at index %d into Mattress %@", [((Treasure *)treasure) uniqueID], index, [self uniqueID]);

    [treasure setContainer:self andProperty:@"treasures"];

    [theTreasures insertObject:treasure atIndex:0];

}

    /* remove a treasure from the list */

- (void)removeFromTreasuresAtIndex:(unsigned)index {

    SLOG(@"removing treasure at %d from Mattress %@", index, [self uniqueID]);

    [theTreasures removeObjectAtIndex:index];

}

    /* methods used for randomizing the weights and values of

     elements contained inside of the mattress */

- (void)randomizeWeightBetweenMinimum:(NSNumber *)minimum andMaximum:(NSNumber *)maximum {

        /* update the treasures */

    for ( Treasure *nthTreasure in theTreasures ) {

        [nthTreasure randomizeWeightBetweenMinimum:minimum andMaximum:maximum];

    }

        /* update the trinkets */

    for ( Trinket *nthTrinket in theTrinkets ) {

        [nthTrinket randomizeWeightBetweenMinimum:minimum andMaximum:maximum];

    }

}

- (void)randomizeValueBetweenMinimum:(NSNumber *)minimum andMaximum:(NSNumber *)maximum {

        /* update the treasures */

    for ( Treasure *nthTreasure in theTreasures ) {

        [nthTreasure randomizeValueBetweenMinimum:minimum andMaximum:maximum];

    }

}

    /* The following methods are called by Cocoa scripting in response

     to the randomize weight and randomize value AppleScript commands. */

- (void)setRandomWeight:(NSScriptCommand *)command {

    NSDictionary *theArguments = [command evaluatedArguments];

        /* report the parameters */

    SLOG(@"\n - the direct parameter is: '%@'\n - other parameters are: %@", [command directParameter], theArguments);

        /* calculate the next value */

    NSNumber *lowWeight = [theArguments objectForKey:@"LowestWeight"];

    NSNumber *highWeight = [theArguments objectForKey:@"HighestWeight"];

    [self randomizeWeightBetweenMinimum:lowWeight andMaximum:highWeight];

}

- (void)setRandomValue:(NSScriptCommand *)command {

    NSDictionary *theArguments = [command evaluatedArguments];

        /* report the parameters */

    SLOG(@"\n - the direct parameter is: '%@'\n - other parameters are: %@", [command directParameter], theArguments);

        /* calculate the next value */

    NSNumber *lowValue = [theArguments objectForKey:@"LowestValue"];

    NSNumber *highValue = [theArguments objectForKey:@"HighestValue"];

    [self randomizeValueBetweenMinimum:lowValue andMaximum:highValue];

}

@end