import figlet from 'figlet';
import gradient from 'gradient-string';
import { FontError } from './utils/errors.js';
export function renderLogo(text, palette, font = 'Standard', direction = 'vertical') {
    try {
        const asciiArt = figlet.textSync(text, {
            font: font,
            horizontalLayout: 'default',
            verticalLayout: 'default',
            width: 80,
            whitespaceBreak: true,
        });
        // Create gradient function
        const gradientFn = gradient(palette);
        let coloredArt;
        switch (direction) {
            case 'horizontal':
                // Apply gradient horizontally (left to right on each line)
                const lines = asciiArt.split('\n');
                const coloredLines = lines.map((line) => {
                    if (line.trim() === '') {
                        return line;
                    }
                    return gradientFn(line);
                });
                coloredArt = coloredLines.join('\n');
                break;
            case 'diagonal':
                // Create a custom diagonal gradient by applying different gradients per line
                const diagonalLines = asciiArt.split('\n');
                const lineCount = diagonalLines.length;
                coloredArt = diagonalLines
                    .map((line, index) => {
                    if (line.trim() === '') {
                        return line;
                    }
                    // Create a gradient that shifts based on line position
                    const shiftedPalette = palette.map((color, colorIndex) => {
                        const shift = (index / lineCount) * palette.length;
                        return palette[Math.floor(colorIndex + shift) % palette.length];
                    });
                    return gradient(shiftedPalette)(line);
                })
                    .join('\n');
                break;
            case 'vertical':
            default:
                // Apply gradient vertically (top to bottom across all lines)
                coloredArt = gradientFn.multiline(asciiArt);
                break;
        }
        return coloredArt;
    }
    catch (error) {
        if (error instanceof Error && error.message.includes('font')) {
            throw new FontError(font);
        }
        throw error;
    }
}
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