package com.contextual.help;

import org.springframework.web.bind.annotation.*;
import org.springframework.http.ResponseEntity;
import org.springframework.http.HttpStatus;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.core.type.TypeReference;

import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.nio.file.Path;
import java.nio.file.Files;


@RestController
@RequestMapping("/api/help")
public class HelpController {
    /*
    @GetMapping
    public ResponseEntity<?> getHelp(@RequestParam String lang) {
        String fileName = String.format("help/help.%s.json", lang);
        try (InputStream is = getClass().getClassLoader().getResourceAsStream(fileName)) {
            if (is == null) {
                return ResponseEntity.status(HttpStatus.NOT_FOUND)
                        .body("Help content not found for language: " + lang);
            }

            ObjectMapper mapper = new ObjectMapper();
            Map<String, Object> helpContent = mapper.readValue(is, new TypeReference<Map<String, Object>>() {});
            return ResponseEntity.ok(helpContent);
        } catch (IOException e) {
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                    .body("Error loading help content");
        }
    }*/

@GetMapping
public ResponseEntity<?> getHelp(@RequestParam String lang) {
    Path path = Path.of("src/main/resources/help/help." + lang + ".json");

    if (!Files.exists(path)) {
        return ResponseEntity.status(HttpStatus.NOT_FOUND)
                .body("Help content not found for language: " + lang);
    }

    try {
        ObjectMapper mapper = new ObjectMapper();
        Map<String, Object> helpContent = mapper.readValue(path.toFile(), new TypeReference<Map<String, Object>>() {});
        return ResponseEntity.ok(helpContent);
    } catch (IOException e) {
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                .body("Error loading help content: " + e.getMessage());
    }
}


    @PutMapping
    public ResponseEntity<?> updateHelp(@RequestBody Map<String, HelpItem> newData,
                                    @RequestParam(defaultValue = "en") String lang) {
        try {
            Path path = Path.of("src/main/resources/help/help." + lang + ".json");
            new ObjectMapper().writerWithDefaultPrettyPrinter().writeValue(path.toFile(), newData);
            return ResponseEntity.ok().build();
        } catch (IOException e) {
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Failed to save data.");
        }
    }
}