#!/usr/bin/env bash
# Environment loading functions
# Usage: source "$(dirname "$0")/env.sh"
# Requires: logging.sh, utils.sh

# Load environment file
load_env() {
    local env_file="${1:-.env}"
    local project_root="${PROJECT_ROOT:-$(get_project_root)}"
    local full_path="$project_root/$env_file"

    if [ -f "$full_path" ]; then
        log_debug "Loading environment from: $full_path"
        set -a
        source "$full_path"
        set +a
        return 0
    else
        log_debug "Environment file not found: $full_path"
        return 1
    fi
}

# Require environment variable
require_env() {
    local var_name="$1"
    local var_value="${!var_name}"

    if [ -z "$var_value" ]; then
        log_error "Required environment variable not set: $var_name"
        exit 1
    fi

    log_debug "Environment variable $var_name is set"
}

# Require multiple environment variables
require_envs() {
    local missing_vars=()

    for var_name in "$@"; do
        if [ -z "${!var_name}" ]; then
            missing_vars+=("$var_name")
        fi
    done

    if [ ${#missing_vars[@]} -gt 0 ]; then
        log_error "Missing required environment variables: ${missing_vars[*]}"
        exit 1
    fi
}

# Get environment variable with default
get_env() {
    local var_name="$1"
    local default_value="${2:-}"
    local var_value="${!var_name:-$default_value}"

    if [ -z "$var_value" ] && [ -z "$default_value" ]; then
        log_warn "Environment variable $var_name is not set and no default provided"
    fi

    echo "$var_value"
}