using System.Collections.Generic;
using System.Text.Json.Serialization;

namespace FinlyticCore.Dtos.Sentiment;

/// <summary>
/// Article metadata referenced inside an ISIN analysis event.
/// </summary>
public record IsinAnalysisArticleRef
{
    /// <summary>
    /// Gets or sets the article identifier.
    /// </summary>
    [JsonPropertyName("articleId")]
    public string ArticleId { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the article title.
    /// </summary>
    [JsonPropertyName("title")]
    public string Title { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the article source name.
    /// </summary>
    [JsonPropertyName("source")]
    public string Source { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the publication timestamp in ISO-8601 format.
    /// </summary>
    [JsonPropertyName("publishedAt")]
    public string PublishedAt { get; init; } = string.Empty;
}

/// <summary>
/// Individual chronological analysis entry inside an ISIN summary file.
/// </summary>
public record IsinAnalysisEntry
{
    /// <summary>
    /// Gets or sets the unique analysis ID (e.g. "sent_20260722_001").
    /// </summary>
    [JsonPropertyName("analysisId")]
    public string AnalysisId { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the analysis timestamp in ISO-8601 format.
    /// </summary>
    [JsonPropertyName("timestamp")]
    public string Timestamp { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the referenced article details.
    /// </summary>
    [JsonPropertyName("article")]
    public IsinAnalysisArticleRef Article { get; init; } = new();

    /// <summary>
    /// Gets or sets the FinBERT analysis result.
    /// </summary>
    [JsonPropertyName("finbertResult")]
    public FinBertResultDto FinbertResult { get; init; } = new();

    /// <summary>
    /// Gets or sets the summary snippet.
    /// </summary>
    [JsonPropertyName("summarySnippet")]
    public string SummarySnippet { get; init; } = string.Empty;
}

/// <summary>
/// Current summary aggregate header inside an ISIN sentiment summary file.
/// </summary>
public record IsinCurrentSummary
{
    /// <summary>
    /// Gets or sets the average compound score (-1.0 to +1.0).
    /// </summary>
    [JsonPropertyName("compoundScore")]
    public double CompoundScore { get; init; }

    /// <summary>
    /// Gets or sets the overall sentiment label ("POSITIVE", "NEGATIVE", "NEUTRAL").
    /// </summary>
    [JsonPropertyName("sentimentLabel")]
    public string SentimentLabel { get; init; } = "NEUTRAL";

    /// <summary>
    /// Gets or sets the average confidence across analyzed articles.
    /// </summary>
    [JsonPropertyName("avgConfidence")]
    public double AvgConfidence { get; init; }

    /// <summary>
    /// Gets or sets the total number of articles analyzed for this ISIN.
    /// </summary>
    [JsonPropertyName("totalArticlesAnalyzed")]
    public int TotalArticlesAnalyzed { get; init; }

    /// <summary>
    /// Gets or sets the number of positive articles.
    /// </summary>
    [JsonPropertyName("positiveArticles")]
    public int PositiveArticles { get; init; }

    /// <summary>
    /// Gets or sets the number of negative articles.
    /// </summary>
    [JsonPropertyName("negativeArticles")]
    public int NegativeArticles { get; init; }

    /// <summary>
    /// Gets or sets the number of neutral articles.
    /// </summary>
    [JsonPropertyName("neutralArticles")]
    public int NeutralArticles { get; init; }

    /// <summary>
    /// Gets or sets the sentiment trend ("IMPROVING", "DETERIORATING", "STABLE").
    /// </summary>
    [JsonPropertyName("trend")]
    public string? Trend { get; init; }

    /// <summary>
    /// Gets or sets the key highlight summary.
    /// </summary>
    [JsonPropertyName("keyHighlight")]
    public string? KeyHighlight { get; init; }

    /// <summary>
    /// Gets or sets the overall synthesized sentiment text overview.
    /// </summary>
    [JsonPropertyName("text")]
    public string Text { get; init; } = string.Empty;
}

/// <summary>
/// Data transfer object for an ISIN sentiment summary file.
/// </summary>
public record IsinSentimentSummaryDto
{
    /// <summary>
    /// Gets or sets the ISIN code.
    /// </summary>
    [JsonPropertyName("isin")]
    public string Isin { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the company name.
    /// </summary>
    [JsonPropertyName("companyName")]
    public string CompanyName { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the sector name.
    /// </summary>
    [JsonPropertyName("sector")]
    public string Sector { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the last updated timestamp in ISO-8601 format.
    /// </summary>
    [JsonPropertyName("lastUpdated")]
    public string LastUpdated { get; init; } = string.Empty;

    /// <summary>
    /// Gets or sets the current summary metrics and overview.
    /// </summary>
    [JsonPropertyName("currentSummary")]
    public IsinCurrentSummary CurrentSummary { get; init; } = new();

    /// <summary>
    /// Gets or sets the list of historical analysis entries.
    /// </summary>
    [JsonPropertyName("analyses")]
    public List<IsinAnalysisEntry> Analyses { get; init; } = [];
}