package watcher

import (
	"log"
	"sync"
	"time"

	"github.com/tockins/realize/settings"
)

var wg sync.WaitGroup

// Watcher interface used by polling/fsnotify watching
type watcher interface {
	Add(path string) error
}

// Polling watcher
type pollWatcher struct {
	paths map[string]bool
}

// Log struct
type logWriter struct {
}

// Blueprint struct contains a projects list
type Blueprint struct {
	*settings.Settings `yaml:"-"`
	Projects           []Project   `yaml:"projects,omitempty" json:"projects,omitempty"`
	Sync               chan string `yaml:"-"`
}

// Project defines the informations of a single project
type Project struct {
	settings.Settings  `yaml:"-"`
	LastChangedOn      time.Time `yaml:"-" json:"-"`
	base               string
	Name               string   `yaml:"name" json:"name"`
	Path               string   `yaml:"path" json:"path"`
	Fmt                bool     `yaml:"fmt" json:"fmt"`
	Generate           bool     `yaml:"generate" json:"generate"`
	Test               bool     `yaml:"test" json:"test"`
	Bin                bool     `yaml:"bin" json:"bin"`
	Build              bool     `yaml:"build" json:"build"`
	Run                bool     `yaml:"run" json:"run"`
	Params             []string `yaml:"params,omitempty" json:"params,omitempty"`
	Watcher            Watcher  `yaml:"watcher" json:"watcher"`
	Streams            Streams  `yaml:"streams" json:"streams"`
	ErrorOutputPattern string   `yaml:"errorOutputPattern" json:"errorOutputPattern"`
	Buffer             Buffer   `yaml:"-" json:"buffer"`
	parent             *Blueprint
	path               string
}

// Watcher struct defines the livereload's logic
type Watcher struct {
	Preview bool      `yaml:"preview" json:"preview"`
	Paths   []string  `yaml:"paths" json:"paths"`
	Ignore  []string  `yaml:"ignore_paths" json:"ignore"`
	Exts    []string  `yaml:"exts" json:"exts"`
	Scripts []Command `yaml:"scripts,omitempty" json:"scripts,omitempty"`
}

// Command options
type Command struct {
	Type    string `yaml:"type" json:"type"`
	Command string `yaml:"command" json:"command"`
	Path    string `yaml:"path" json:"path"`
}

// Streams is a collection of names and values for the logs functionality
type Streams struct {
	CliOut  bool `yaml:"cli_out" json:"cli_out"`
	FileOut bool `yaml:"file_out" json:"file_out"`
	FileLog bool `yaml:"file_log" json:"file_log"`
	FileErr bool `yaml:"file_err" json:"file_err"`
}

// Buffer define an array buffer for each log files
type Buffer struct {
	StdOut []BufferOut `json:"stdOut"`
	StdLog []BufferOut `json:"stdLog"`
	StdErr []BufferOut `json:"stdErr"`
}

// BufferOut is used for exchange information between "realize cli" and "web realize"
type BufferOut struct {
	Time   time.Time `json:"time"`
	Text   string    `json:"text"`
	Path   string    `json:"path"`
	Type   string    `json:"type"`
	Stream string    `json:"stream"`
	Errors []string  `json:"errors"`
}

// Initialize the application
func init() {
	log.SetFlags(0)
	log.SetOutput(new(logWriter))
}