//
//  ScanModelListCell.m
//  HMLG Scan Order
//
//  Created by Rui Zhang on 3/17/22.
//  Copyright © 2022 United Software Applications, Inc. All rights reserved.
//

#import "ScanModelListCell.h"
#import "RAConvertor.h"
#import "RAUtils.h"
#import "RASingleton.h"
#import "AppDelegate.h"
#import "RADataProvider.h"

static const CGFloat kTableRowHeight = 24.0;
static const CGFloat kCellHPadding   = 20.0;
static const CGFloat kMinColumnWidth = 125;

@implementation ScanModelListCell

- (void)awakeFromNib {
    [super awakeFromNib];
    self.selectionStyle = UITableViewCellSelectionStyleNone;

    self.priceScrollView.showsVerticalScrollIndicator   = NO;
    self.priceScrollView.showsHorizontalScrollIndicator = YES;
    self.priceScrollView.alwaysBounceVertical           = NO;
    self.priceScrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];
}

// MARK: - setModelJson

- (void)setModelJson:(NSMutableDictionary *)modelJson {
    _modelJson = modelJson;

    AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
    NSDictionary *price_group = [RADataProvider get_price_group:appDelegate.price_group];

    // ── 基础字段 ────────────────────────────────────────────────────────────
    NSString *port      = _modelJson[@"port"];      if (port.length == 0)      port      = @"N/A";
    NSString *origin    = _modelJson[@"origin"];    if (origin.length == 0)    origin    = @"N/A";
    NSString *available = _modelJson[@"available"]; if (available.length == 0) available = @"N/A";
    NSString *unit_cuft = _modelJson[@"unit_cuft"];
    if (unit_cuft.length == 0) {
        unit_cuft = @"N/A";
    } else {
        unit_cuft = [NSString stringWithFormat:@"%.2f", [_modelJson[@"unit_cuft"] doubleValue]];
    }

    // ── 静态 label ──────────────────────────────────────────────────────────
    _labelModel.text       = _modelJson[@"model"];
    _labelDescription.text = _modelJson[@"description"];
    _labelDimension.text   = _modelJson[@"dimension"];

    // ── 数量 / stepper ──────────────────────────────────────────────────────
    _editQTY.text = [_modelJson[@"count"] stringValue];
    int c = [_modelJson[@"count"] intValue];
    int s = [_modelJson[@"stockUom"] intValue];
    [self init_Stepper:s max:9999 min:0 value:c];

    // ── 价格 flag 处理（与 ScanListCell 保持一致）───────────────────────────
    NSString *price1 = _modelJson[price_group[@"price_1"][@"name"]];
    NSString *price2 = _modelJson[price_group[@"price_2"][@"name"]];
    NSString *price3 = _modelJson[price_group[@"price_3"][@"name"]];

    if (price1 && ![price1 isEqualToString:@"N/A"])
        price1 = [NSString stringWithFormat:@"%.2f", [price1 doubleValue]];
    if (price2 && ![price2 isEqualToString:@"N/A"]) {
        price2 = [NSString stringWithFormat:@"%.2f", [price2 doubleValue]];
        _modelJson[@"special_price"] = @YES;
    }
    if (price3 && ![price3 isEqualToString:@"N/A"])
        price3 = [NSString stringWithFormat:@"%.2f", [price3 doubleValue]];

    if ((price1 && ![price1 isEqualToString:@"N/A"] && [price1 isEqualToString:price3]) ||
        (price2 && ![price2 isEqualToString:@"N/A"] && [price2 isEqualToString:price3]))
        _modelJson[@"net_price"] = @NO;

    // ── 构建动态表格列 ───────────────────────────────────────────────────────
    NSMutableArray<NSDictionary *> *columns = [NSMutableArray array];
    [columns addObject:@{ @"header": @"CuFT",      @"value": unit_cuft }];
    [columns addObject:@{ @"header": @"Origin",    @"value": origin    }];
    [columns addObject:@{ @"header": @"Port",      @"value": port      }];
    [columns addObject:@{ @"header": @"Available", @"value": available }];

    int priceCount = [price_group[@"price_count"] intValue];
    for (int i = 0; i < priceCount; i++) {
        NSString *key   = [NSString stringWithFormat:@"price_%d", i];
        NSDictionary *pg = price_group[key];
        if (!pg || !pg[@"display"]) continue;

        NSString *rawValue     = _modelJson[pg[@"name"]];
        NSString *displayValue = @"";
        if (rawValue && ![rawValue isEqualToString:@"N/A"]) {
            double dval = [rawValue doubleValue];
            if (dval > 0)
                displayValue = [RAConvertor currencyNumber:(float)dval];
        }
        // price_2 固定为 Show Special
        if (i == 2 && ![_modelJson[@"special_price"] boolValue])
            displayValue = @"";

        [columns addObject:@{ @"header": pg[@"display"], @"value": displayValue }];
    }

    [self buildPriceTableWithColumns:columns];
}

// MARK: - Stepper

- (void)init_Stepper:(int)step max:(int)max min:(int)min value:(int)value {
    if (self.steper != nil) {
        if (step <= 0) step = 1;
        self.steper.minimumValue = min;
        self.steper.stepValue    = step;
        self.steper.value        = value;
    }
}

// MARK: - 动态表格构建

- (void)buildPriceTableWithColumns:(NSArray<NSDictionary *> *)columns {
    for (UIView *v in self.priceScrollView.subviews)
        [v removeFromSuperview];

    if (columns.count == 0) {
        self.priceScrollView.contentSize = CGSizeZero;
        return;
    }

    UIFont  *font        = [UIFont systemFontOfSize:15.0];
    UIColor *borderColor = UIColor.labelColor;
    CGFloat  totalWidth  = 0;

    NSMutableArray<NSNumber *> *colWidths = [NSMutableArray arrayWithCapacity:columns.count];
    for (NSDictionary *col in columns) {
        NSString *header = col[@"header"] ?: @"";
        NSString *value  = col[@"value"]  ?: @"";
        NSDictionary *attrs = @{ NSFontAttributeName: font };
        CGFloat hw = [header sizeWithAttributes:attrs].width + kCellHPadding * 2;
        CGFloat vw = [value  sizeWithAttributes:attrs].width + kCellHPadding * 2;
        CGFloat w  = MAX(MAX(hw, vw), kMinColumnWidth);
        [colWidths addObject:@(w)];
    }

    BOOL isLast = NO;
    CGFloat x = 0;
    for (NSUInteger i = 0; i < columns.count; i++) {
        CGFloat w         = [colWidths[i] floatValue];
        NSDictionary *col = columns[i];
        isLast = (i == columns.count - 1);

        UILabel *hLabel = [self makeCellLabel:col[@"header"]
                                         font:font
                                  borderColor:borderColor
                                        frame:CGRectMake(x, 0, w, kTableRowHeight)
                                       isLast:isLast];
        hLabel.backgroundColor = [UIColor secondarySystemBackgroundColor];
        [self.priceScrollView addSubview:hLabel];

        UILabel *vLabel = [self makeCellLabel:col[@"value"]
                                         font:font
                                  borderColor:borderColor
                                        frame:CGRectMake(x, kTableRowHeight, w, kTableRowHeight)
                                       isLast:isLast];
        [self.priceScrollView addSubview:vLabel];

        x += w;
        totalWidth = x;
    }

    self.priceScrollView.contentSize = CGSizeMake(totalWidth, kTableRowHeight * 2);
}

// MARK: - 辅助

- (UILabel *)makeCellLabel:(NSString *)text
                      font:(UIFont *)font
               borderColor:(UIColor *)borderColor
                     frame:(CGRect)frame
                    isLast:(BOOL)isLast {
    UILabel *label      = [[UILabel alloc] initWithFrame:frame];
    label.text          = text ?: @"";
    label.font          = font;
    label.textAlignment = NSTextAlignmentCenter;
    label.clipsToBounds = YES;

    CGFloat w  = frame.size.width;
    CGFloat h  = frame.size.height;
    CGFloat lw = 1.0;

    CAShapeLayer *border = [CAShapeLayer layer];
    UIBezierPath *path   = [UIBezierPath bezierPath];

    [path moveToPoint:CGPointMake(0, 0)];
    [path addLineToPoint:CGPointMake(w, 0)];
    [path moveToPoint:CGPointMake(0, h)];
    [path addLineToPoint:CGPointMake(w, h)];
    [path moveToPoint:CGPointMake(0, 0)];
    [path addLineToPoint:CGPointMake(0, h)];
    if (isLast) {
        [path moveToPoint:CGPointMake(w, 0)];
        [path addLineToPoint:CGPointMake(w, h)];
    }

    border.path        = path.CGPath;
    border.strokeColor = borderColor.CGColor;
    border.lineWidth   = lw;
    border.fillColor   = [UIColor clearColor].CGColor;
    [label.layer addSublayer:border];

    return label;
}

@end