// =============================================================================
// Meilisearch 数据结构定义
// =============================================================================

package meilisearch

// SearchParams 搜索参数
type SearchParams struct {
	Query                string   // 搜索查询字符串
	Page                 int64    // 页码（从1开始）
	Limit                int64    // 每页数量
	Sort                 []string // 排序字段，如 ["createdAt:desc", "price:asc"]
	Filter               string   // 过滤条件
	SearchableAttributes string   // 可搜索字段
	AttributesToRetrieve []string // 返回字段
	Facets               []string // 聚合字段
	HitsPerPage          int      // 每页命中数
	ShowRankingScore     bool     // 是否显示排名分数
}

// SearchResult 搜索结果
type SearchResult struct {
	Hits               []map[string]interface{} `json:"hits"`
	EstimatedTotalHits int64                    `json:"estimatedTotalHits"`
	Limit              int                      `json:"limit"`
	Offset             int                      `json:"offset"`
	ProcessingTimeMs   int                      `json:"processingTimeMs"`
	Query              string                   `json:"query"`
	FacetDistribution  map[string]interface{}   `json:"facetDistribution,omitempty"`
}

// IndexConfig 索引配置
type IndexConfig struct {
	UID        string // 索引唯一标识
	PrimaryKey string // 主键字段名
}

// IndexSettings 索引设置
type IndexSettings struct {
	SearchableAttributes []string            `json:"searchableAttributes,omitempty"`
	DisplayedAttributes  []string            `json:"displayedAttributes,omitempty"`
	FilterableAttributes []string            `json:"filterableAttributes,omitempty"`
	SortableAttributes   []string            `json:"sortableAttributes,omitempty"`
	RankingRules         []string            `json:"rankingRules,omitempty"`
	StopWords            []string            `json:"stopWords,omitempty"`
	Synonyms             map[string][]string `json:"synonyms,omitempty"`
	DistinctAttribute    string              `json:"distinctAttribute,omitempty"`
	TypoTolerance        *TypoTolerance      `json:"typoTolerance,omitempty"`
	Pagination           *Pagination         `json:"pagination,omitempty"`
	Faceting             *Faceting           `json:"faceting,omitempty"`
}

// TypoTolerance 拼写容错设置
type TypoTolerance struct {
	Enabled             bool           `json:"enabled"`
	MinWordSizeForTypos map[string]int `json:"minWordSizeForTypos"`
	DisableOnWords      []string       `json:"disableOnWords"`
	DisableOnAttributes []string       `json:"disableOnAttributes"`
}

// Pagination 分页设置
type Pagination struct {
	MaxTotalHits int `json:"maxTotalHits"`
}

// Faceting 聚合设置
type Faceting struct {
	MaxValuesPerFacet int `json:"maxValuesPerFacet"`
}

// TaskResult 任务结果
type TaskResult struct {
	TaskUID int64                  `json:"taskUid"`
	Status  string                 `json:"status"`
	Type    string                 `json:"type"`
	Details map[string]interface{} `json:"details,omitempty"`
	Error   string                 `json:"error,omitempty"`
}

// Document 文档
type Document map[string]interface{}

// 文档操作符
const (
	OperatorEquals         = "="
	OperatorNotEquals      = "!="
	OperatorGreaterThan    = ">"
	OperatorGreaterOrEqual = ">="
	OperatorLessThan       = "<"
	OperatorLessOrEqual    = "<="
	OperatorAnd            = "AND"
	OperatorOr             = "OR"
	OperatorNot            = "NOT"
)

// 排序顺序
const (
	SortAsc  = "asc"
	SortDesc = "desc"
)

// 排名规则
const (
	RankingRuleWords     = "words"
	RankingRuleTypo      = "typo"
	RankingRuleProximity = "proximity"
	RankingRuleAttribute = "attribute"
	RankingRuleSort      = "sort"
	RankingRuleExactness = "exactness"
)