#!/bin/bash

# Check if user has provided a Reddit username
if [ -z "$1" ]; then
    echo "Usage: $0 <reddit-username>"
    exit 1
fi

USERNAME=$1
USER_AGENT="reddit-image-downloader"
OUTPUT_DIR="${USERNAME}_images"

# Create a directory to save images
mkdir -p "$OUTPUT_DIR"

# Reddit API URL to fetch user submissions
REDDIT_API_URL="https://www.reddit.com/user/$USERNAME/submitted.json?limit=100"

# Function to download images
download_images() {
    echo "Fetching images from user: $USERNAME"

    # Loop through pages of user submissions (pagination handled)
    while :; do
        # Fetch data from Reddit
        JSON=$(curl -s -A "$USER_AGENT" "$REDDIT_API_URL")

        # Get image URLs from the media_metadata field (looking for 's' key for highest quality image)
        IMAGE_URLS=$(echo "$JSON" | jq -r '.data.children[] | select(.data.media_metadata != null) | .data.media_metadata | to_entries[] | .value.s.u')

        # Check if we found any image URLs
        if [ -z "$IMAGE_URLS" ]; then
            echo "No more images found."
            break
        fi

        # Download each image URL
        for IMAGE_URL in $IMAGE_URLS; do
            echo "Downloading $IMAGE_URL..."
            wget -q -P "$OUTPUT_DIR" "$IMAGE_URL"
        done

        # Check if there's a next page of submissions
        NEXT_PAGE=$(echo "$JSON" | jq -r '.data.after')
  #      if [ "$NEXT_PAGE" != "null" ]; then
  #          REDDIT_API_URL="https://www.reddit.com/user/$USERNAME/submitted.json?limit=
     done