using System;
using Microsoft.EntityFrameworkCore.Migrations;
using MyAi.Data;

#nullable disable

namespace MyAi.Data.Migrations
{
    /// <inheritdoc />
    public partial class AddTemplates : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.EnsureSchema(
                name: MigrationConstants.SchemaName);

            migrationBuilder.CreateTable(
                name: "Templates",
                schema: MigrationConstants.SchemaName,
                columns: table => new
                {
                    Key = table.Column<string>(type: "nvarchar(128)", maxLength: 128, nullable: false),
                    Language = table.Column<string>(type: "nvarchar(8)", maxLength: 8, nullable: false),
                    Value = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    Description = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: false, defaultValue: ""),
                    UpdatedAt = table.Column<DateTime>(type: "datetime2", nullable: false, defaultValueSql: "SYSUTCDATETIME()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Templates", x => new { x.Key, x.Language });
                });

            Seed(migrationBuilder);
        }

        private static void Seed(MigrationBuilder m)
        {
            void Row(string key, string lang, string value, string description = "")
                => m.InsertData("Templates", ["Key", "Language", "Value", "Description"], [key, lang, value, description], MigrationConstants.SchemaName);

            // Match result email — subject
            Row("email.match.subject", "en", "MyAi.ro CV Match: {{score}}% - {{jobLabel}}", "Subject for the CV match result email");
            Row("email.match.subject", "ro", "MyAi.ro Potrivire CV: {{score}}% - {{jobLabel}}", "Subiect email rezultat potrivire CV");

            // Match result email — body
            Row("email.match.body", "en",
                "CV Matcher result\n\nCV Document ID: {{cvDocumentId}}\nJob: {{jobLabel}}\nJob URL: {{jobUrl}}\nScore: {{score}}%\n\nSummary:\n{{summary}}\n\nStrengths:\n{{strengths}}\n\nGaps:\n{{gaps}}\n\nRecommendations:\n{{recommendations}}",
                "Body for the CV match result email");
            Row("email.match.body", "ro",
                "Rezultat potrivire CV\n\nID document CV: {{cvDocumentId}}\nJob: {{jobLabel}}\nURL job: {{jobUrl}}\nScor: {{score}}%\n\nRezumat:\n{{summary}}\n\nPuncte forte:\n{{strengths}}\n\nLipsuri:\n{{gaps}}\n\nRecomandări:\n{{recommendations}}",
                "Corpul emailului pentru rezultatul potrivirii CV");

            // Match result email — job search CTA footer
            Row("email.match.job-search-footer", "en",
                "\n\n---\nWant to find more jobs matching your CV?\nClick: {{jobSearchLink}}\n(link valid for {{expiryDays}} days)",
                "Job search CTA appended to match result email");
            Row("email.match.job-search-footer", "ro",
                "\n\n---\nVrei sa gasesti mai multe joburi potrivite CV-ului tau?\nClick: {{jobSearchLink}}\n(link valabil {{expiryDays}} zile)",
                "CTA cautare joburi adaugat la emailul de potrivire CV");

            // Job search results email — subject
            Row("email.search-results.subject", "en", "MyAi.ro: {{count}} jobs matching your CV", "Subject for job search results email");
            Row("email.search-results.subject", "ro", "MyAi.ro: {{count}} joburi potrivite CV-ului tau", "Subiect email rezultate cautare joburi");

            // Job search results email — body preamble (items appended in code)
            Row("email.search-results.body", "en", "MyAi.ro found {{count}} jobs matching your CV:\n\n{{items}}", "Body preamble for job search results email");
            Row("email.search-results.body", "ro", "MyAi.ro a gasit {{count}} joburi potrivite CV-ului tau:\n\n{{items}}", "Corpul emailului de rezultate cautare joburi");

            // Job search results email — no results found
            Row("email.search-results.empty", "en", "MyAi.ro found no jobs matching your CV. Try again later or update your CV.", "No results message for job search results email");
            Row("email.search-results.empty", "ro", "MyAi.ro nu a gasit joburi care sa corespunda CV-ului tau. Incercati mai tarziu sau ajustati CV-ul.", "Mesaj fara rezultate pentru emailul de cautare joburi");

            // HTML job-search page shell — wraps title + message in a centered card page
            Row("html.job-search.shell", "*",
                "<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"utf-8\"><title>{{title}} - MyAi.ro</title><style>body{font-family:sans-serif;display:flex;align-items:center;justify-content:center;height:100vh;margin:0;background:#f5f5f5}.card{background:#fff;padding:2rem 3rem;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.1);text-align:center;max-width:480px}h1{font-size:1.4rem;margin-bottom:.5rem;color:#2c5282}p{color:#555}</style></head><body><div class=\"card\"><h1>{{title}}</h1><p>{{message}}</p></div></body></html>",
                "Full HTML shell for job-search status pages. Placeholders: {{title}}, {{message}}.");

            // HTML job-search start page messages
            Row("html.job-search.started.title",    "en", "Job search started",              "Title for job search started page");
            Row("html.job-search.started.message",  "en", "Your job search has started. Results will be sent to your email shortly.", "Message for job search started page");
            Row("html.job-search.started.title",    "ro", "Căutare joburi pornită",           "Titlu pagina cautare joburi pornita");
            Row("html.job-search.started.message",  "ro", "Căutarea joburilor a început. Rezultatele vor fi trimise pe email în scurt timp.", "Mesaj pagina cautare joburi pornita");

            Row("html.job-search.already-used.title",   "en", "Link already used",               "Title for already-used page");
            Row("html.job-search.already-used.message", "en", "This job search link has already been used.", "Message for already-used page");
            Row("html.job-search.already-used.title",   "ro", "Link deja folosit",               "Titlu pagina link deja folosit");
            Row("html.job-search.already-used.message", "ro", "Acest link de cautare joburi a fost deja folosit.", "Mesaj pagina link deja folosit");

            Row("html.job-search.expired.title",   "en", "Link expired",               "Title for expired link page");
            Row("html.job-search.expired.message", "en", "This job search link has expired. Please request a new CV match to get a fresh link.", "Message for expired link page");
            Row("html.job-search.expired.title",   "ro", "Link expirat",               "Titlu pagina link expirat");
            Row("html.job-search.expired.message", "ro", "Acest link de cautare joburi a expirat. Solicita o noua potrivire CV pentru a primi un link nou.", "Mesaj pagina link expirat");

            Row("html.job-search.invalid.title",   "en", "Invalid link",               "Title for invalid link page");
            Row("html.job-search.invalid.message", "en", "This job search link is not valid.", "Message for invalid link page");
            Row("html.job-search.invalid.title",   "ro", "Link invalid",               "Titlu pagina link invalid");
            Row("html.job-search.invalid.message", "ro", "Acest link de cautare joburi nu este valid.", "Mesaj pagina link invalid");

            Row("html.job-search.error.title",   "en", "Error",               "Title for error page");
            Row("html.job-search.error.message", "en", "An error occurred. Please try again later.", "Message for error page");
            Row("html.job-search.error.title",   "ro", "Eroare",               "Titlu pagina eroare");
            Row("html.job-search.error.message", "ro", "A apărut o eroare. Te rugăm să încerci din nou mai târziu.", "Mesaj pagina eroare");

            // AI system prompt for CV matching (language is a {{languageName}} variable inside it)
            Row("ai.cv-match.system-prompt", "*",
                "You are a strict CV-to-job matching engine. Return JSON only. Score realistically from 0 to 100.\nPenalize missing required skills. Do not invent experience. Use concise business language.\nRespond entirely in {{languageName}} — all text fields in the JSON must be in {{languageName}}.\nJSON shape: {\"score\":number,\"summary\":\"...\",\"strengths\":[\"...\"],\"gaps\":[\"...\"],\"recommendations\":[\"...\"],\"evidence\":[\"...\"]}",
                "System prompt template for the CV-to-job LLM matching call. {{languageName}} is substituted at runtime.");
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "Templates",
                schema: MigrationConstants.SchemaName);
        }
    }
}
