// Level 2 - Underground Cave Theme

import { Level, Block, Enemy } from './types';
import { GAME_CONFIG } from '../constants';

const { TILE_SIZE, LEVEL_HEIGHT } = GAME_CONFIG;

const LEVEL_2_WIDTH = 3600;

export function createLevel2(): Level {
    const blocks: Block[] = [];
    const enemies: Enemy[] = [];

    // Ground blocks with more gaps
    for (let x = 0; x < LEVEL_2_WIDTH; x += TILE_SIZE) {
        // Multiple gaps for underground feel
        const gaps = [
            { start: 800, end: 900 },
            { start: 1400, end: 1550 },
            { start: 2200, end: 2350 },
            { start: 2800, end: 2900 },
        ];

        const inGap = gaps.some(gap => x >= gap.start && x < gap.end);
        if (inGap) continue;

        // Ground layer (2 blocks high)
        blocks.push({
            x,
            y: LEVEL_HEIGHT - TILE_SIZE,
            width: TILE_SIZE,
            height: TILE_SIZE,
            type: 'ground',
        });
        blocks.push({
            x,
            y: LEVEL_HEIGHT - TILE_SIZE * 2,
            width: TILE_SIZE,
            height: TILE_SIZE,
            type: 'ground',
        });
    }

    // Ceiling blocks for underground feel
    for (let x = 0; x < LEVEL_2_WIDTH; x += TILE_SIZE) {
        blocks.push({
            x,
            y: 0,
            width: TILE_SIZE,
            height: TILE_SIZE,
            type: 'ground',
        });
        blocks.push({
            x,
            y: TILE_SIZE,
            width: TILE_SIZE,
            height: TILE_SIZE,
            type: 'ground',
        });
    }

    // Underground platforms - brick style
    const platforms = [
        // First section - stepping stones
        { x: 200, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },
        { x: 280, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'brick' as const },
        { x: 360, y: LEVEL_HEIGHT - TILE_SIZE * 6, type: 'brick' as const },

        // Question blocks with coins
        { x: 500, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'question' as const, hasCoin: true },
        { x: 600, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'question' as const, hasCoin: true },

        // Long platform section
        { x: 700, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },
        { x: 732, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },
        { x: 764, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },

        // After first gap
        { x: 950, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'brick' as const },
        { x: 1000, y: LEVEL_HEIGHT - TILE_SIZE * 6, type: 'question' as const, hasCoin: true },
        { x: 1050, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'brick' as const },

        // Mid-level platforms
        { x: 1200, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },
        { x: 1232, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },
        { x: 1264, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },
        { x: 1296, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },

        // High platform section
        { x: 1600, y: LEVEL_HEIGHT - TILE_SIZE * 7, type: 'brick' as const },
        { x: 1632, y: LEVEL_HEIGHT - TILE_SIZE * 7, type: 'brick' as const },
        { x: 1664, y: LEVEL_HEIGHT - TILE_SIZE * 7, type: 'question' as const, hasCoin: true },
        { x: 1696, y: LEVEL_HEIGHT - TILE_SIZE * 7, type: 'brick' as const },

        // Low platforms
        { x: 1800, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },
        { x: 1900, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'brick' as const },
        { x: 2000, y: LEVEL_HEIGHT - TILE_SIZE * 6, type: 'brick' as const },

        // After gaps section
        { x: 2400, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'brick' as const },
        { x: 2500, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'question' as const, hasCoin: true },
        { x: 2600, y: LEVEL_HEIGHT - TILE_SIZE * 6, type: 'brick' as const },

        // Final staircase
        { x: 3000, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'ground' as const },
        { x: 3032, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'ground' as const },
        { x: 3032, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'ground' as const },
        { x: 3064, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'ground' as const },
        { x: 3064, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'ground' as const },
        { x: 3064, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'ground' as const },
        { x: 3096, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'ground' as const },
        { x: 3096, y: LEVEL_HEIGHT - TILE_SIZE * 4, type: 'ground' as const },
        { x: 3096, y: LEVEL_HEIGHT - TILE_SIZE * 5, type: 'ground' as const },
        { x: 3096, y: LEVEL_HEIGHT - TILE_SIZE * 6, type: 'ground' as const },
    ];

    platforms.forEach(p => {
        blocks.push({
            x: p.x,
            y: p.y,
            width: TILE_SIZE,
            height: TILE_SIZE,
            type: p.type,
            hasCoin: p.hasCoin,
        });
    });

    // More pipes in underground
    const pipes = [
        { x: 400, height: 2 },
        { x: 1100, height: 3 },
        { x: 1750, height: 2 },
        { x: 2100, height: 4 },
        { x: 2700, height: 2 },
    ];

    pipes.forEach(pipe => {
        for (let h = 0; h < pipe.height; h++) {
            blocks.push({
                x: pipe.x,
                y: LEVEL_HEIGHT - TILE_SIZE * 2 - (h * TILE_SIZE),
                width: TILE_SIZE * 2,
                height: TILE_SIZE,
                type: 'pipe',
            });
        }
    });

    // Floating coins
    const coinPositions = [
        { x: 250, y: LEVEL_HEIGHT - TILE_SIZE * 7 },
        { x: 282, y: LEVEL_HEIGHT - TILE_SIZE * 8 },
        { x: 314, y: LEVEL_HEIGHT - TILE_SIZE * 7 },
        { x: 1650, y: LEVEL_HEIGHT - TILE_SIZE * 9 },
        { x: 2550, y: LEVEL_HEIGHT - TILE_SIZE * 8 },
    ];

    coinPositions.forEach(pos => {
        blocks.push({
            x: pos.x,
            y: pos.y,
            width: 24,
            height: 24,
            type: 'coin',
        });
    });

    // More enemies - including Koopas
    const enemyPositions = [
        { x: 350, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'goomba' as const },
        { x: 650, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'goomba' as const },
        { x: 750, y: LEVEL_HEIGHT - TILE_SIZE * 6, type: 'goomba' as const },
        { x: 1050, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'koopa' as const },
        { x: 1350, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'goomba' as const },
        { x: 1650, y: LEVEL_HEIGHT - TILE_SIZE * 9, type: 'goomba' as const },
        { x: 1950, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'koopa' as const },
        { x: 2450, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'goomba' as const },
        { x: 2650, y: LEVEL_HEIGHT - TILE_SIZE * 3, type: 'goomba' as const },
    ];

    enemyPositions.forEach(pos => {
        enemies.push({
            x: pos.x,
            y: pos.y,
            vx: -1,
            vy: 0,
            width: 32,
            height: pos.type === 'koopa' ? 40 : 32,
            type: pos.type,
            isAlive: true,
            direction: -1,
        });
    });

    return {
        width: LEVEL_2_WIDTH,
        height: LEVEL_HEIGHT,
        blocks,
        enemies,
        startPosition: { x: 64, y: LEVEL_HEIGHT - TILE_SIZE * 4 },
        flagPosition: { x: 3200, y: LEVEL_HEIGHT - TILE_SIZE * 10 },
    };
}