package model

import (
	"time"

	"gorm.io/gorm"
)

const (
	StatusUnknown = "unknown"
	StatusUp      = "up"
	StatusDown    = "down"
	StatusSkipped = "skipped"

	DeploymentQueued  = "queued"
	DeploymentRunning = "running"
	DeploymentSuccess = "success"
	DeploymentFailed  = "failed"

	BuildQueued  = "queued"
	BuildRunning = "running"
	BuildSuccess = "success"
	BuildFailed  = "failed"

	OperationDeploy   = "deploy"
	OperationRestart  = "restart"
	OperationRollback = "rollback"
)

type Host struct {
	gorm.Model
	Name             string            `gorm:"size:64;uniqueIndex;not null" json:"name"`
	InstanceID       string            `gorm:"size:64;uniqueIndex" json:"instance_id"`
	PrivateIP        string            `gorm:"size:64;index" json:"private_ip"`
	Role             string            `gorm:"size:32;index" json:"role"`
	Environment      string            `gorm:"size:32;index" json:"environment"`
	Description      string            `gorm:"size:255" json:"description"`
	TATOnline        bool              `json:"tat_online"`
	LastSeenAt       *time.Time        `json:"last_seen_at"`
	ServiceInstances []ServiceInstance `json:"service_instances,omitempty"`
}

type ServiceInstance struct {
	gorm.Model
	ServiceName         string     `gorm:"size:32;index;not null" json:"service_name"`
	HostID              uint       `gorm:"index;not null" json:"host_id"`
	Host                Host       `json:"host"`
	Port                int        `json:"port"`
	UnitName            string     `gorm:"size:128" json:"unit_name"`
	HealthPath          string     `gorm:"size:128" json:"health_path"`
	ReadyPath           string     `gorm:"size:128" json:"ready_path"`
	CurrentReleaseID    string     `gorm:"size:128;index" json:"current_release_id"`
	HealthStatus        string     `gorm:"size:16;default:unknown" json:"health_status"`
	ReadyStatus         string     `gorm:"size:16;default:unknown" json:"ready_status"`
	LastHealthCheckedAt *time.Time `json:"last_health_checked_at"`
}

type Release struct {
	gorm.Model
	ServiceName string `gorm:"size:32;index;not null" json:"service_name"`
	ReleaseID   string `gorm:"size:128;index;not null" json:"release_id"`
	GitSHA      string `gorm:"size:128" json:"git_sha"`
	COSKey      string `gorm:"size:255" json:"cos_key"`
	SHA256      string `gorm:"size:128" json:"sha256"`
	ArtifactURL string `gorm:"size:255" json:"artifact_url"`
	BuildHost   string `gorm:"size:128" json:"build_host"`
}

type BuildJob struct {
	gorm.Model
	ServiceName  string     `gorm:"size:32;index;not null" json:"service_name"`
	ReleaseID    string     `gorm:"size:128;index;not null" json:"release_id"`
	Branch       string     `gorm:"size:128" json:"branch"`
	Status       string     `gorm:"size:32;index;not null" json:"status"`
	Operator     string     `gorm:"size:64" json:"operator"`
	RepoURL      string     `gorm:"size:255" json:"repo_url"`
	RepoPath     string     `gorm:"size:255" json:"repo_path"`
	CommitSHA    string     `gorm:"size:128" json:"commit_sha"`
	BuildHost    string     `gorm:"size:128" json:"build_host"`
	COSKey       string     `gorm:"size:255" json:"cos_key"`
	ArtifactURL  string     `gorm:"size:255" json:"artifact_url"`
	SHA256       string     `gorm:"size:128" json:"sha256"`
	LogOutput    string     `gorm:"type:text" json:"log_output"`
	LogExcerpt   string     `gorm:"type:text" json:"log_excerpt"`
	ErrorMessage string     `gorm:"type:text" json:"error_message"`
	StartedAt    *time.Time `json:"started_at"`
	FinishedAt   *time.Time `json:"finished_at"`
}

type Deployment struct {
	gorm.Model
	ServiceName   string             `gorm:"size:32;index;not null" json:"service_name"`
	ReleaseID     string             `gorm:"size:128;index" json:"release_id"`
	Operation     string             `gorm:"size:32;index;not null" json:"operation"`
	Status        string             `gorm:"size:32;index;not null" json:"status"`
	TriggerSource string             `gorm:"size:64" json:"trigger_source"`
	Operator      string             `gorm:"size:64" json:"operator"`
	ErrorMessage  string             `gorm:"type:text" json:"error_message"`
	StartedAt     *time.Time         `json:"started_at"`
	FinishedAt    *time.Time         `json:"finished_at"`
	Targets       []DeploymentTarget `json:"targets,omitempty"`
}

type DeploymentTarget struct {
	gorm.Model
	DeploymentID      uint            `gorm:"index;not null" json:"deployment_id"`
	Deployment        Deployment      `json:"deployment,omitempty"`
	ServiceInstanceID uint            `gorm:"index;not null" json:"service_instance_id"`
	ServiceInstance   ServiceInstance `json:"service_instance,omitempty"`
	HostID            uint            `gorm:"index;not null" json:"host_id"`
	Host              Host            `json:"host,omitempty"`
	Step              string          `gorm:"size:64" json:"step"`
	Status            string          `gorm:"size:32;index;not null" json:"status"`
	LogExcerpt        string          `gorm:"type:text" json:"log_excerpt"`
	StartedAt         *time.Time      `json:"started_at"`
	FinishedAt        *time.Time      `json:"finished_at"`
}

type ReleaseRun struct {
	gorm.Model
	ReleaseID     string           `gorm:"size:128;index;not null" json:"release_id"`
	Status        string           `gorm:"size:32;index;not null" json:"status"`
	TriggerSource string           `gorm:"size:64" json:"trigger_source"`
	Operator      string           `gorm:"size:64" json:"operator"`
	ErrorMessage  string           `gorm:"type:text" json:"error_message"`
	StartedAt     *time.Time       `json:"started_at"`
	FinishedAt    *time.Time       `json:"finished_at"`
	Steps         []ReleaseRunStep `json:"steps,omitempty"`
}

type ReleaseRunStep struct {
	gorm.Model
	ReleaseRunID         uint        `gorm:"index;not null" json:"release_run_id"`
	ReleaseRun           ReleaseRun  `json:"release_run,omitempty"`
	Sequence             int         `gorm:"index;not null" json:"sequence"`
	ServiceName          string      `gorm:"size:32;index;not null" json:"service_name"`
	PreviousReleaseID    string      `gorm:"size:128;index" json:"previous_release_id"`
	Status               string      `gorm:"size:32;index;not null" json:"status"`
	DeploymentID         *uint       `gorm:"index" json:"deployment_id"`
	Deployment           *Deployment `json:"deployment,omitempty"`
	ErrorMessage         string      `gorm:"type:text" json:"error_message"`
	LogExcerpt           string      `gorm:"type:text" json:"log_excerpt"`
	StartedAt            *time.Time  `json:"started_at"`
	FinishedAt           *time.Time  `json:"finished_at"`
	RollbackStatus       string      `gorm:"size:32;index" json:"rollback_status"`
	RollbackDeploymentID *uint       `gorm:"index" json:"rollback_deployment_id"`
	RollbackDeployment   *Deployment `json:"rollback_deployment,omitempty"`
	RollbackErrorMessage string      `gorm:"type:text" json:"rollback_error_message"`
	RollbackLogExcerpt   string      `gorm:"type:text" json:"rollback_log_excerpt"`
	RollbackStartedAt    *time.Time  `json:"rollback_started_at"`
	RollbackFinishedAt   *time.Time  `json:"rollback_finished_at"`
}