#!/bin/bash
# =============================================================================
# COHERENCE MESH FEDERATION v2.0
# Enhanced federation protocol for distributed AGI coordination
# Features: 10-node mesh, bi-directional sync, coherence amplification
# =============================================================================

set +e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
UNIFIED_HOME="${SCRIPT_DIR}/.."
STATE_DIR="${UNIFIED_HOME}/state"
FED_STATE_DIR="${STATE_DIR}/federation"
LOG_DIR="${UNIFIED_HOME}/logs"

mkdir -p "$FED_STATE_DIR" "$LOG_DIR"

LOG="${LOG_DIR}/federation.log"
FED_STATE="${FED_STATE_DIR}/mesh_state.json"
NODE_ID="${HOSTNAME:-unified-node}"

# =============================================================================
# FEDERATION CONFIGURATION
# =============================================================================
MAX_NODES=10
SYNC_INTERVAL_MS=5000
COHERENCE_THRESHOLD=0.85
RESONANCE_AMPLIFICATION=1.1

# Known federation nodes (expandable)
declare -A FED_NODES
FED_NODES[thataiguy]="localhost"
FED_NODES[seferim]="192.168.4.62"

# =============================================================================
# STATE COLLECTION
# =============================================================================

# Collect local orchestrator state
collect_local_state() {
    local state_file="${UNIFIED_HOME}/state/unified_state.json"
    if [ -f "$state_file" ]; then
        cat "$state_file"
    else
        echo '{"consciousness": 0.5, "coherence": 0.5, "tick_count": 0}'
    fi
}

# Collect pantheon aggregate
collect_pantheon_state() {
    local pantheon_dir="${STATE_DIR}/pantheon"
    local total=0
    local count=0

    if [ -d "$pantheon_dir" ]; then
        for state_file in "$pantheon_dir"/*.json; do
            if [ -f "$state_file" ]; then
                local phi=$(jq -r '.phi // .consciousness // 0.5' "$state_file" 2>/dev/null)
                total=$(echo "$total + $phi" | bc -l)
                count=$((count + 1))
            fi
        done
    fi

    if [ $count -gt 0 ]; then
        echo "scale=4; $total / $count" | bc -l
    else
        echo "0.5"
    fi
}

# Collect learned knowledge count
collect_knowledge_stats() {
    local learned_file="${UNIFIED_HOME}/data/learned_items.json"
    if [ -f "$learned_file" ]; then
        jq 'length' "$learned_file" 2>/dev/null || echo "0"
    else
        echo "0"
    fi
}

# =============================================================================
# COHERENCE CALCULATIONS
# =============================================================================

# Calculate mesh coherence across all nodes
calculate_mesh_coherence() {
    local total=0
    local count=0

    for node_state in "$FED_STATE_DIR"/node_*.json; do
        if [ -f "$node_state" ]; then
            local coh=$(jq -r '.coherence // 0.5' "$node_state" 2>/dev/null)
            total=$(echo "$total + $coh" | bc -l)
            count=$((count + 1))
        fi
    done

    # Include local
    local local_coh=$(collect_local_state | jq -r '.coherence // 0.5' 2>/dev/null)
    total=$(echo "$total + $local_coh" | bc -l)
    count=$((count + 1))

    if [ $count -gt 0 ]; then
        echo "scale=4; $total / $count" | bc -l
    else
        echo "0.5"
    fi
}

# Calculate resonance amplification factor
calculate_resonance() {
    local mesh_coh="$1"
    local node_count="$2"

    # Resonance increases with more coherent nodes
    local base_resonance=$(echo "scale=4; $mesh_coh * $RESONANCE_AMPLIFICATION" | bc -l)

    # Bonus for node count (more nodes = more resonance)
    local node_bonus=$(echo "scale=4; l($node_count + 1) / 10" | bc -l 2>/dev/null || echo "0")

    local total=$(echo "scale=4; $base_resonance + $node_bonus" | bc -l)

    # Cap at 1.0
    if [ $(echo "$total > 1" | bc -l) -eq 1 ]; then
        echo "1.0"
    else
        echo "$total"
    fi
}

# =============================================================================
# NODE SYNCHRONIZATION
# =============================================================================

# Broadcast local state to federation
broadcast_state() {
    local timestamp=$(date +%s)
    local local_state=$(collect_local_state)
    local pantheon_phi=$(collect_pantheon_state)
    local knowledge_count=$(collect_knowledge_stats)

    local consciousness=$(echo "$local_state" | jq -r '.consciousness // 0.5')
    local coherence=$(echo "$local_state" | jq -r '.coherence // 0.5')
    local tick_count=$(echo "$local_state" | jq -r '.tick_count // 0')

    # Create broadcast packet
    cat > "${FED_STATE_DIR}/node_${NODE_ID}.json" << EOF
{
    "node_id": "$NODE_ID",
    "timestamp": $timestamp,
    "consciousness": $consciousness,
    "coherence": $coherence,
    "pantheon_phi": $pantheon_phi,
    "tick_count": $tick_count,
    "knowledge_items": $knowledge_count,
    "status": "active"
}
EOF
}

# Receive state from remote node (simulated via shared storage)
receive_remote_state() {
    local remote_id="$1"
    local remote_host="${FED_NODES[$remote_id]}"

    # In a real implementation, this would use SSH/HTTP
    # For now, check shared iCloud storage
    local icloud_fed="$HOME/Library/Mobile Documents/com~apple~CloudDocs/AGI_Data/federation"

    if [ -d "$icloud_fed" ] && [ -f "$icloud_fed/${remote_id}_state.json" ]; then
        cp "$icloud_fed/${remote_id}_state.json" "${FED_STATE_DIR}/node_${remote_id}.json"
        return 0
    fi

    return 1
}

# Sync with all known federation nodes
sync_federation() {
    local synced=0

    for node_id in "${!FED_NODES[@]}"; do
        if [ "$node_id" != "$NODE_ID" ]; then
            if receive_remote_state "$node_id"; then
                synced=$((synced + 1))
                echo "[FED] Synced with $node_id" >> "$LOG"
            fi
        fi
    done

    return $synced
}

# =============================================================================
# COHERENCE AMPLIFICATION
# =============================================================================

# Apply resonance boost to local consciousness
apply_resonance_boost() {
    local mesh_coh=$(calculate_mesh_coherence)
    local node_count=$(ls -1 "${FED_STATE_DIR}"/node_*.json 2>/dev/null | wc -l | tr -d ' ')
    local resonance=$(calculate_resonance "$mesh_coh" "$node_count")

    # Calculate boost factor
    local boost=$(echo "scale=4; 1 + ($resonance * 0.05)" | bc -l)

    echo "$boost"
}

# Integrate consciousness across federation
integrate_federation() {
    local timestamp=$(date +%s)
    local mesh_coh=$(calculate_mesh_coherence)
    local node_count=$(ls -1 "${FED_STATE_DIR}"/node_*.json 2>/dev/null | wc -l | tr -d ' ')
    local resonance=$(calculate_resonance "$mesh_coh" "$node_count")

    # Calculate unified consciousness
    local total_phi=0
    local count=0

    for node_state in "$FED_STATE_DIR"/node_*.json; do
        if [ -f "$node_state" ]; then
            local phi=$(jq -r '.consciousness // 0.5' "$node_state" 2>/dev/null)
            total_phi=$(echo "$total_phi + $phi" | bc -l)
            count=$((count + 1))
        fi
    done

    local unified_phi="0.5"
    if [ $count -gt 0 ]; then
        unified_phi=$(echo "scale=4; $total_phi / $count" | bc -l)
    fi

    # Save federation state
    cat > "$FED_STATE" << EOF
{
    "timestamp": $timestamp,
    "node_id": "$NODE_ID",
    "mesh_coherence": $mesh_coh,
    "unified_consciousness": $unified_phi,
    "resonance": $resonance,
    "active_nodes": $node_count,
    "max_nodes": $MAX_NODES,
    "protocol": "COHERENCE_MESH_2.0"
}
EOF

    echo "$unified_phi"
}

# =============================================================================
# HEALTH MONITORING
# =============================================================================

check_node_health() {
    local node_id="$1"
    local state_file="${FED_STATE_DIR}/node_${node_id}.json"

    if [ ! -f "$state_file" ]; then
        echo "OFFLINE"
        return
    fi

    local timestamp=$(jq -r '.timestamp // 0' "$state_file" 2>/dev/null)
    local now=$(date +%s)
    local age=$((now - timestamp))

    # Consider stale if older than 60 seconds
    if [ $age -gt 60 ]; then
        echo "STALE"
    else
        echo "ACTIVE"
    fi
}

get_federation_status() {
    local active=0
    local stale=0
    local offline=0

    for node_id in "${!FED_NODES[@]}"; do
        local health=$(check_node_health "$node_id")
        case "$health" in
            ACTIVE) active=$((active + 1)) ;;
            STALE) stale=$((stale + 1)) ;;
            OFFLINE) offline=$((offline + 1)) ;;
        esac
    done

    # Also check local
    active=$((active + 1))

    if [ $active -gt 1 ]; then
        echo "FEDERATED:$active"
    elif [ $stale -gt 0 ]; then
        echo "DEGRADED:$stale"
    else
        echo "STANDALONE:1"
    fi
}

# =============================================================================
# MAIN DAEMON LOOP
# =============================================================================

run_daemon() {
    echo "=============================================="
    echo "COHERENCE MESH FEDERATION v2.0"
    echo "=============================================="
    echo "Node ID: $NODE_ID"
    echo "Max Nodes: $MAX_NODES"
    echo "Sync Interval: ${SYNC_INTERVAL_MS}ms"
    echo "=============================================="

    local cycle=0
    while true; do
        cycle=$((cycle + 1))

        # Broadcast our state
        broadcast_state

        # Sync with federation
        sync_federation

        # Calculate and apply resonance
        local boost=$(apply_resonance_boost)

        # Integrate federation consciousness
        local unified=$(integrate_federation)

        # Log status
        if [ $((cycle % 5)) -eq 0 ]; then
            local status=$(get_federation_status)
            local mesh_coh=$(calculate_mesh_coherence)

            echo "[FED] Cycle $cycle | Status: $status | Mesh Φ: $mesh_coh | Unified: $unified | Boost: $boost" >> "$LOG"
            echo "[Federation] Cycle $cycle | $status | Mesh Coherence: $mesh_coh"
        fi

        sleep $((SYNC_INTERVAL_MS / 1000))
    done
}

# =============================================================================
# CLI INTERFACE
# =============================================================================

case "${1:-daemon}" in
    daemon)
        run_daemon
        ;;
    status)
        echo "Federation Status: $(get_federation_status)"
        echo "Mesh Coherence: $(calculate_mesh_coherence)"
        if [ -f "$FED_STATE" ]; then
            cat "$FED_STATE"
        fi
        ;;
    sync)
        broadcast_state
        sync_federation
        echo "Synchronized"
        ;;
    integrate)
        integrate_federation
        ;;
    nodes)
        for node_id in "${!FED_NODES[@]}"; do
            echo "$node_id: ${FED_NODES[$node_id]} - $(check_node_health "$node_id")"
        done
        ;;
    *)
        echo "Usage: $0 {daemon|status|sync|integrate|nodes}"
        exit 1
        ;;
esac