package resolvers

import (
	"context"
	"errors"
	"time"

	"git.aiterp.net/rpdata/api/graph2/graphcore"
	"git.aiterp.net/rpdata/api/models"
)

// Queries

func (r *queryResolver) Log(ctx context.Context, id string) (*models.Log, error) {
	return r.s.Logs.Find(ctx, id)
}

func (r *queryResolver) Logs(ctx context.Context, filter *models.LogFilter) ([]*models.Log, error) {
	return r.s.Logs.List(ctx, filter)
}

// Mutations

func (r *mutationResolver) AddLog(ctx context.Context, input graphcore.LogAddInput) (*models.Log, error) {
	open := input.Open != nil && *input.Open == true
	title := ""
	if input.Title != nil {
		title = *input.Title
	}
	event := ""
	if input.Event != nil {
		event = *input.Event
	}
	description := ""
	if input.Description != nil {
		description = *input.Description
	}

	return r.s.Logs.Create(ctx, title, description, input.Channel, event, open)
}

func (r *mutationResolver) ImportLog(ctx context.Context, input graphcore.LogImportInput) ([]*models.Log, error) {
	date := time.Time{}
	if input.Date != nil {
		date = *input.Date
	}

	tz := time.UTC
	if input.Timezone != nil {
		parsedTZ, err := time.LoadLocation(*input.Timezone)
		if err != nil {
			return nil, errors.New("Unknown timezone: " + *input.Timezone)
		}

		tz = parsedTZ
	}

	sessionThreshold := time.Hour * 12
	if input.SessionThresholdMs != nil {
		sessionThreshold = time.Duration(*input.SessionThresholdMs) * time.Millisecond
	}

	return r.s.Logs.Import(ctx, input.Importer, date, tz, input.ChannelName, sessionThreshold, input.Data)
}

func (r *mutationResolver) SplitLog(ctx context.Context, input graphcore.LogSplitInput) (*models.Log, error) {
	return r.s.Logs.SplitLog(ctx, input.LogID, input.StartPostID)
}

func (r *mutationResolver) MergeLog(ctx context.Context, input graphcore.LogMergeInput) (*models.Log, error) {
	removeAfter := input.RemoveAfter != nil && *input.RemoveAfter

	return r.s.Logs.MergeLogs(ctx, input.TargetLogID, input.SourceLogID, removeAfter)
}

func (r *mutationResolver) EditLog(ctx context.Context, input graphcore.LogEditInput) (*models.Log, error) {
	update := models.LogUpdate{
		Open:        input.Open,
		Description: input.Description,
		EventName:   input.Event,
		Title:       input.Title,
	}

	return r.s.Logs.Update(ctx, input.ID, update)
}

func (r *mutationResolver) RemoveLog(ctx context.Context, input graphcore.LogRemoveInput) (*models.Log, error) {
	return r.s.Logs.Delete(ctx, input.ID)
}