package models

import "time"

// AnalysisRequest represents the request to analyze a repository
type AnalysisRequest struct {
	RepoURL string `json:"repo_url" binding:"required"`
	Token   string `json:"token,omitempty"`
	Options Options `json:"options,omitempty"`
}

// Options for analysis
type Options struct {
	IncludeTests     bool `json:"include_tests"`
	MaxDepth         int  `json:"max_depth"`
	ExcludeVendor    bool `json:"exclude_vendor"`
	IncludeDependencies bool `json:"include_dependencies"`
}

// AnalysisResult contains the analyzed repository structure
type AnalysisResult struct {
	ID        string    `json:"id"`
	RepoURL   string    `json:"repo_url"`
	RepoName  string    `json:"repo_name"`
	CreatedAt time.Time `json:"created_at"`
	Status    string    `json:"status"`
	Error     string    `json:"error,omitempty"`
	Structure RepositoryStructure `json:"structure"`
	Stats     Statistics         `json:"stats"`
}

// RepositoryStructure represents the file/directory structure
type RepositoryStructure struct {
	Name        string                 `json:"name"`
	Type        string                 `json:"type"` // "file" or "directory"
	Path        string                 `json:"path"`
	Language    string                 `json:"language,omitempty"`
	Size        int64                  `json:"size,omitempty"`
	Children    []RepositoryStructure  `json:"children,omitempty"`
	Dependencies []string              `json:"dependencies,omitempty"`
	Imports     []string              `json:"imports,omitempty"`
}

// Statistics about the repository
type Statistics struct {
	TotalFiles      int    `json:"total_files"`
	TotalDirectories int   `json:"total_directories"`
	Languages       map[string]int `json:"languages"`
	MainLanguage    string         `json:"main_language"`
	TotalLines      int            `json:"total_lines"`
}

// Diagram represents the generated architecture diagram
type Diagram struct {
	ID          string    `json:"id"`
	RepoID      string    `json:"repo_id"`
	CreatedAt   time.Time `json:"created_at"`
	SVG         []byte    `json:"-"`
	JSON        DiagramJSON `json:"json"`
	Version     string    `json:"version"`
}

// DiagramJSON is the JSON representation of the diagram
type DiagramJSON struct {
	Nodes    []DiagramNode    `json:"nodes"`
	Edges    []DiagramEdge    `json:"edges"`
	Settings DiagramSettings `json:"settings"`
}

// DiagramNode represents a component/node in the diagram
type DiagramNode struct {
	ID          string                 `json:"id"`
	Label       string                 `json:"label"`
	Type        string                 `json:"type"` // "package", "module", "file", "directory"
	Properties  map[string]interface{} `json:"properties,omitempty"`
	Position    Position               `json:"position,omitempty"`
	Style       NodeStyle              `json:"style,omitempty"`
}

// DiagramEdge represents a connection/relationship between nodes
type DiagramEdge struct {
	ID     string `json:"id"`
	Source string `json:"source"`
	Target string `json:"target"`
	Type   string `json:"type"` // "import", "dependency", "contains"
	Label  string `json:"label,omitempty"`
	Style  EdgeStyle `json:"style,omitempty"`
}

// DiagramSettings for rendering
type DiagramSettings struct {
	Layout       string  `json:"layout"` // "hierarchical", "circular", "force"
	Direction    string  `json:"direction"` // "TB", "LR", "RL", "BT"
	RankSep      int     `json:"rank_sep"`
	NodeSep      int     `json:"node_sep"`
	ShowLabels   bool    `json:"show_labels"`
	Cluster      bool    `json:"cluster"`
}

// Position for nodes
type Position struct {
	X float64 `json:"x"`
	Y float64 `json:"y"`
}

// NodeStyle for visual appearance
type NodeStyle struct {
	Shape   string `json:"shape"`
	Color   string `json:"color"`
	Border  string `json:"border"`
	Font    Font   `json:"font"`
}

// EdgeStyle for visual appearance
type EdgeStyle struct {
	Color       string `json:"color"`
	Width       int    `json:"width"`
	Style       string `json:"style"` // "solid", "dashed", "dotted"
	ArrowHead   string `json:"arrow_head"`
	LabelOffset int    `json:"label_offset"`
}

// Font settings
type Font struct {
	Name  string `json:"name"`
	Size  int    `json:"size"`
	Color string `json:"color"`
}

// AnalysisResponse for API response
type AnalysisResponse struct {
	ID     string `json:"id"`
	Status string `json:"status"`
	Message string `json:"message"`
}

// ErrorResponse for API errors
type ErrorResponse struct {
	Error string `json:"error"`
}

// WorkerTask represents a background analysis task
type WorkerTask struct {
	ID        string
	Result    *AnalysisResult
	Diagram   *Diagram
	ErrChan   chan error
	DoneChan  chan bool
}