package main

import (
	"context"
	"fmt"
	"os"
	"strings"

	"streamrip-go/internal/config"

	"golang.org/x/term"
)

// Commands that inspect local state: config and database.

func cmdConfig(_ context.Context, cfg *config.Config, _ globalOptions, args []string) int {
	var err error
	if len(args) < 1 {
		printCommandHelp(os.Stdout, "config")
		return 2
	}
	switch args[0] {
	case "open":
		vim := false
		for _, arg := range args[1:] {
			switch arg {
			case "-v", "--vim":
				vim = true
			default:
				fmt.Fprintf(os.Stderr, "option error: unknown option %q\n", arg)
				return 2
			}
		}
		fmt.Printf("opening file at %s\n", cfg.Path)
		if err = openConfigInEditor(cfg.Path, vim); err != nil {
			fmt.Fprintf(os.Stderr, "open config error: %v\n", err)
			return 1
		}
	case "reset":
		yes := false
		for _, arg := range args[1:] {
			switch arg {
			case "-y", "--yes":
				yes = true
			default:
				fmt.Fprintf(os.Stderr, "option error: unknown option %q\n", arg)
				return 2
			}
		}
		if !yes {
			if !term.IsTerminal(int(os.Stdin.Fd())) {
				fmt.Fprintln(os.Stderr, "reset requires --yes in non-interactive mode")
				return 2
			}
			ok, askErr := promptYesNo(fmt.Sprintf("Are you sure you want to reset the config file at %s? [y/N]: ", cfg.Path))
			if askErr != nil {
				fmt.Fprintf(os.Stderr, "prompt error: %v\n", askErr)
				return 1
			}
			if !ok {
				fmt.Println("reset aborted")
				return 0
			}
		}
		def := config.DefaultConfigData()
		// Separate copies: assigning the same value to both halves made
		// File.Qobuz.Secrets and Session.Qobuz.Secrets share one backing
		// array.
		cfg.File = config.CloneConfigData(def)
		cfg.Session = config.CloneConfigData(def)
		if err = cfg.SaveFile(); err != nil {
			fmt.Fprintf(os.Stderr, "reset config error: %v\n", err)
			return 1
		}
		fmt.Printf("reset the config file at %s\n", cfg.Path)
	case "path":
		if len(args) > 1 {
			fmt.Fprintf(os.Stderr, "option error: unexpected argument %q\n", args[1])
			return 2
		}
		fmt.Printf("config path: '%s'\n", cfg.Path)
	default:
		fmt.Fprintf(os.Stderr, "unknown config command: %s\n", args[0])
		return 2
	}

	return 0
}

func cmdDatabase(_ context.Context, cfg *config.Config, _ globalOptions, args []string) int {
	if len(args) < 2 || args[0] != "browse" {
		printCommandHelp(os.Stdout, "database")
		return 2
	}
	table := strings.ToLower(strings.TrimSpace(args[1]))
	switch table {
	case "downloads":
		rows, listErr := listDownloadsRows(cfg.Session.Database.DownloadsPath)
		if listErr != nil {
			fmt.Fprintf(os.Stderr, "database browse error: %v\n", listErr)
			return 1
		}
		fmt.Println("downloads database")
		fmt.Println("row  id")
		for i, id := range rows {
			fmt.Printf("%02d   %s\n", i, id)
		}
	case "failed":
		rows, listErr := listFailedRows(cfg.Session.Database.FailedDownloadsPath)
		if listErr != nil && isNoSuchTableErr(listErr) && cfg.Session.Database.FailedDownloadsPath != cfg.Session.Database.DownloadsPath {
			rows, listErr = listFailedRows(cfg.Session.Database.DownloadsPath)
		}
		if listErr != nil {
			fmt.Fprintf(os.Stderr, "database browse error: %v\n", listErr)
			return 1
		}
		fmt.Println("failed downloads database")
		fmt.Println("row  source   media_type   id")
		for i, row := range rows {
			fmt.Printf("%02d   %s   %s   %s\n", i, row.Source, row.MediaType, row.ID)
		}
	default:
		fmt.Fprintf(os.Stderr, "invalid database %q. choose downloads or failed\n", table)
		return 2
	}

	return 0
}