#!/bin/bash

# Generate data/peers/generated/peers.json — drives the /peers WebUI page and
# is also read by the /backup/migrate tab to overlay friendly names on top of
# bare hostnames.
#
# This is just peerList wrapped with a generated_at envelope; no extra logic.

webuiGeneratePeers()
{
    local output_dir="$containers_dir/libreportal/frontend/data/peers/generated"
    local output_file="$output_dir/peers.json"

    runFileOp mkdir -p "$output_dir"

    local generated_at
    generated_at=$(date -Iseconds)
    local peers
    peers=$(peerList 2>/dev/null)
    [[ -z "$peers" ]] && peers='[]'

    # Pipe the JSON straight through runFileWrite — the previous
    # `cat > "$temp_file"` redirect failed because $temp_file sits in the
    # dockerinstall-owned data/ tree and the manager can't open it for write.
    # The mv that followed then errored with "No such file or directory".
    runFileWrite "$output_file" <<EOF
{
  "generated_at": "$generated_at",
  "peers": $peers
}
EOF
    runFileOp chmod 644 "$output_file" 2>/dev/null || true
}