#!/usr/bin/env bash
# Automatically Configure All Bridge Destinations
# Uses PRIVATE_KEY from .env file
# Usage: ./configure-all-destinations-auto.sh

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
source "$PROJECT_ROOT/scripts/lib/address-inventory.sh"
source "$PROJECT_ROOT/scripts/lib/ccip-destinations.sh"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m'

log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
log_success() { echo -e "${GREEN}[✓]${NC} $1"; }
log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
log_fix() { echo -e "${CYAN}[FIX]${NC} $1"; }

load_explorer_runtime_env

# Configuration
RPC_URL="${RPC_URL_138:-http://192.168.11.250:8545}"
WETH9_BRIDGE="$(resolve_address_value CCIPWETH9_BRIDGE CCIPWETH9_BRIDGE 0x971cD9D156f193df8051E48043C476e53ECd4693)"
WETH10_BRIDGE="$(resolve_address_value CCIPWETH10_BRIDGE CCIPWETH10_BRIDGE 0xe0E93247376aa097dB308B92e6Ba36bA015535D0)"

# Check PRIVATE_KEY
if [ -z "${PRIVATE_KEY:-}" ]; then
    log_error "PRIVATE_KEY not available in effective environment"
    log_info "Export PRIVATE_KEY or place it in a sourced parent env file"
    exit 1
fi

# Get account address
ACCOUNT=$(cast wallet address "$PRIVATE_KEY" 2>/dev/null || echo "")
if [ -z "$ACCOUNT" ]; then
    log_error "Could not derive address from PRIVATE_KEY"
    exit 1
fi

log_info "========================================="
log_info "Automatic Bridge Destination Configuration"
log_info "========================================="
log_info ""
log_info "Account: $ACCOUNT"
log_info "RPC URL: $RPC_URL"
log_info ""

# Run pre-flight check
log_info "Running pre-flight checks..."
if ! "$SCRIPT_DIR/pre-flight-check.sh" > /dev/null 2>&1; then
    log_warn "Pre-flight checks had warnings, but continuing..."
fi
log_info ""

declare -A WETH9_DESTINATIONS=()
declare -A WETH10_DESTINATIONS=()
declare -A CHAIN_NAMES=()

while IFS=$'\t' read -r chain_name selector weth9_dest weth10_dest _rpc_url; do
    CHAIN_NAMES["$selector"]="$chain_name"
    WETH9_DESTINATIONS["$selector"]="$weth9_dest"
    WETH10_DESTINATIONS["$selector"]="$weth10_dest"
done < <(ccip_destination_rows)

# Function to configure destination with verification
configure_destination() {
    local bridge="$1"
    local selector="$2"
    local dest_address="$3"
    local chain_name="$4"
    local token_name="$5"
    
    # Check if already configured
    # destinations() returns a tuple: (uint64, address, bool)
    local current=$(cast call "$bridge" "destinations(uint64)" "$selector" --rpc-url "$RPC_URL" 2>/dev/null || echo "")
    
    # Extract address from tuple (second element)
    local current_hex=$(echo "$current" | sed 's/0x//')
    local current_clean=""
    if [ ${#current_hex} -ge 128 ]; then
        local addr_hex=$(echo "$current_hex" | cut -c65-128)
        current_clean="0x${addr_hex:24:40}"  # Address is right-aligned
    fi
    
    if [ -n "$current_clean" ] && ! echo "$current_clean" | grep -qE "^0x0+$"; then
        if [ "$(echo "$current_clean" | tr '[:upper:]' '[:lower:]')" = "$(echo "$dest_address" | tr '[:upper:]' '[:lower:]')" ]; then
            log_success "✓ $token_name $chain_name: Already configured correctly"
            return 0
        else
            log_warn "⚠ $token_name $chain_name: Configured with different address ($current_clean)"
            log_info "  Expected: $dest_address"
        fi
    fi
    
    log_info "Configuring $token_name $chain_name..."
    local nonce=$(cast nonce "$ACCOUNT" --rpc-url "$RPC_URL" 2>/dev/null || echo "0")
    
    # Get optimal gas price
    local gas_price=5000000000  # Default 5 gwei
    if [ -f "$SCRIPT_DIR/get-optimal-gas-from-api.sh" ]; then
        api_gas=$("$SCRIPT_DIR/get-optimal-gas-from-api.sh" "proposed" 2>/dev/null || echo "")
        if [ -n "$api_gas" ] && [ "$api_gas" != "0" ]; then
            gas_price=$(echo "scale=0; $api_gas * 1.5 / 1" | bc 2>/dev/null || echo "$gas_price")
        else
            current_gas=$(cast gas-price --rpc-url "$RPC_URL" 2>/dev/null || echo "1000000000")
            gas_price=$(echo "scale=0; $current_gas * 1.5 / 1" | bc 2>/dev/null || echo "$gas_price")
        fi
    else
        current_gas=$(cast gas-price --rpc-url "$RPC_URL" 2>/dev/null || echo "1000000000")
        gas_price=$(echo "scale=0; $current_gas * 1.5 / 1" | bc 2>/dev/null || echo "$gas_price")
    fi
    
    local tx_output=$(cast send "$bridge" \
        "addDestination(uint64,address)" \
        "$selector" \
        "$dest_address" \
        --rpc-url "$RPC_URL" \
        --private-key "$PRIVATE_KEY" \
        --gas-price "$gas_price" \
        --nonce "$nonce" \
        2>&1 || echo "FAILED")
    
    if echo "$tx_output" | grep -qE "(blockHash|transactionHash)"; then
        local tx_hash=$(echo "$tx_output" | grep -oE "(blockHash|transactionHash)[[:space:]]+0x[0-9a-fA-F]{64}" | awk '{print $2}' | head -1)
        log_success "✓ $token_name $chain_name: Transaction sent ($tx_hash)"
        
        # Wait for transaction
        log_info "  Waiting for transaction confirmation..."
        sleep 5
        
        # Verify configuration
        local verify_current=$(cast call "$bridge" "destinations(uint64)" "$selector" --rpc-url "$RPC_URL" 2>/dev/null || echo "")
        
        # Extract address from tuple
        local verify_hex=$(echo "$verify_current" | sed 's/0x//')
        local verify_clean=""
        if [ ${#verify_hex} -ge 128 ]; then
            local verify_addr_hex=$(echo "$verify_hex" | cut -c65-128)
            verify_clean="0x${verify_addr_hex:24:40}"
        fi
        
        if [ -n "$verify_clean" ] && ! echo "$verify_clean" | grep -qE "^0x0+$"; then
            if [ "$(echo "$verify_clean" | tr '[:upper:]' '[:lower:]')" = "$(echo "$dest_address" | tr '[:upper:]' '[:lower:]')" ]; then
                log_success "  ✓ Verified: Configuration successful"
                return 0
            else
                log_warn "  ⚠ Verification: Different address ($verify_clean)"
                return 1
            fi
        else
            log_warn "  ⚠ Verification: Transaction may still be pending"
            return 1
        fi
    else
        log_error "✗ $token_name $chain_name: Transaction failed"
        log_info "  Output: $(echo "$tx_output" | head -3)"
        return 1
    fi
}

# Configure WETH9 destinations
log_fix "========================================="
log_fix "Configuring WETH9 Bridge Destinations"
log_fix "========================================="
log_info ""

WETH9_SUCCESS=0
WETH9_FAILED=0
WETH9_SKIPPED=0

for SELECTOR in "${!WETH9_DESTINATIONS[@]}"; do
    DEST_ADDRESS="${WETH9_DESTINATIONS[$SELECTOR]}"
    CHAIN_NAME="${CHAIN_NAMES[$SELECTOR]}"
    
    if configure_destination "$WETH9_BRIDGE" "$SELECTOR" "$DEST_ADDRESS" "$CHAIN_NAME" "WETH9"; then
        ((WETH9_SUCCESS++)) || true
    else
        ((WETH9_FAILED++)) || true
    fi
    
    # Small delay between transactions
    sleep 2
done

log_info ""
log_info "WETH9 Results: $WETH9_SUCCESS configured, $WETH9_FAILED failed"
log_info ""

# Configure WETH10 destinations
log_fix "========================================="
log_fix "Configuring WETH10 Bridge Destinations"
log_fix "========================================="
log_info ""

WETH10_SUCCESS=0
WETH10_FAILED=0

for SELECTOR in "${!WETH10_DESTINATIONS[@]}"; do
    DEST_ADDRESS="${WETH10_DESTINATIONS[$SELECTOR]}"
    CHAIN_NAME="${CHAIN_NAMES[$SELECTOR]}"
    
    if configure_destination "$WETH10_BRIDGE" "$SELECTOR" "$DEST_ADDRESS" "$CHAIN_NAME" "WETH10"; then
        ((WETH10_SUCCESS++)) || true
    else
        ((WETH10_FAILED++)) || true
    fi
    
    # Small delay between transactions
    sleep 2
done

log_info ""
log_info "WETH10 Results: $WETH10_SUCCESS configured, $WETH10_FAILED failed"
log_info ""

# Final verification
log_info "========================================="
log_info "Final Verification"
log_info "========================================="
log_info ""

"$SCRIPT_DIR/check-bridge-config.sh"

# Summary
log_info ""
log_info "========================================="
log_info "Configuration Summary"
log_info "========================================="
log_info ""

log_info "WETH9 Bridge:"
log_info "  Configured: $WETH9_SUCCESS"
log_info "  Failed: $WETH9_FAILED"

log_info ""
log_info "WETH10 Bridge:"
log_info "  Configured: $WETH10_SUCCESS"
log_info "  Failed: $WETH10_FAILED"

log_info ""

if [ $WETH9_FAILED -eq 0 ] && [ $WETH10_FAILED -eq 0 ] && [ $WETH9_SUCCESS -eq 7 ] && [ $WETH10_SUCCESS -eq 7 ]; then
    log_success "✓ All destinations configured successfully!"
    exit 0
elif [ $WETH9_SUCCESS -gt 0 ] || [ $WETH10_SUCCESS -gt 0 ]; then
    log_warn "⚠ Partial success - Some destinations configured"
    log_info "  Re-run script to configure remaining destinations"
    exit 0
else
    log_error "✗ Configuration failed"
    log_info "  Check transaction outputs above for details"
    exit 1
fi