package gql

import (
	"net/http"
	"sync"
	"time"

	cache "github.com/lukaszraczylo/go-simple-graphql/cache"
	logging "github.com/lukaszraczylo/go-simple-graphql/logging"
)

type BaseClient struct {
	cache                *cache.Cache
	Logger               *logging.Logger
	client               *http.Client
	endpoint             string
	responseType         string
	retries_delay        time.Duration
	retries_number       int
	retries_patterns     []string      // Error patterns that should trigger retries
	pool_size            int           // Number of connections to pre-warm
	pool_warmup_enabled  bool          // Enable connection pool warmup
	pool_warmup_query    string        // Query to use for warming up connections
	pool_health_interval time.Duration // Interval for pool health checks
	pool_stop            chan bool     // Channel to stop pool monitor
	pool_stop_once       sync.Once     // Ensures StopPoolMonitor is called only once
	MaxGoRoutines        int
	cache_global         bool
	retries_enable       bool
	minify_queries       bool // Enable GraphQL query minification (default: true)
}

type Query struct {
	Variables map[string]interface{} `json:"variables,omitempty"`
	Query     string                 `json:"query,omitempty"`
	JsonQuery []byte                 `json:"-"` // Exclude from JSON serialization to prevent nested encoding
}

type QueryExecutor struct {
	Result any
	Error  error
	*BaseClient
	Headers  map[string]interface{}
	CacheKey string
	Query    []byte
	CacheTTL time.Duration
	Retries  bool
}

type queryResults struct {
	Data   interface{} `json:"data"`
	Errors []struct {
		Message interface{} `json:"message"`
	} `json:"errors"`
}