# Copyright (c) 2023-present Plane Software, Inc. and contributors
# SPDX-License-Identifier: AGPL-3.0-only
# See the LICENSE file for details.

from django.conf import settings
from django.db import models

from .base import BaseModel


class WorkspaceAISettings(BaseModel):
    class Provider(models.TextChoices):
        OPENAI = "openai", "OpenAI"

    class AccessMode(models.TextChoices):
        ALL_WORKSPACE_MEMBERS = "all_workspace_members", "All workspace members"
        ADMINS_ONLY = "admins_only", "Admins only"
        SELECTED_PROJECTS = "selected_projects", "Selected projects"
        SELECTED_MEMBERS = "selected_members", "Selected members"

    workspace = models.OneToOneField(
        "db.Workspace",
        on_delete=models.CASCADE,
        related_name="ai_settings",
    )
    voice_tasker_enabled = models.BooleanField(default=False)
    provider = models.CharField(max_length=32, choices=Provider.choices, default=Provider.OPENAI)
    transcription_model = models.CharField(max_length=80, default="gpt-4o-mini-transcribe")
    structuring_model = models.CharField(max_length=80, default="gpt-4o-mini")
    default_project = models.ForeignKey(
        "db.Project",
        on_delete=models.SET_NULL,
        null=True,
        blank=True,
        related_name="workspace_ai_default_project",
    )
    access_mode = models.CharField(
        max_length=40,
        choices=AccessMode.choices,
        default=AccessMode.ALL_WORKSPACE_MEMBERS,
    )
    enabled_projects = models.ManyToManyField(
        "db.Project",
        blank=True,
        related_name="workspace_ai_feature_settings",
    )
    enabled_members = models.ManyToManyField(
        settings.AUTH_USER_MODEL,
        blank=True,
        related_name="workspace_ai_feature_settings",
    )
    max_audio_duration_seconds = models.PositiveIntegerField(default=120)
    per_user_hourly_limit = models.PositiveIntegerField(default=30)
    workspace_hourly_limit = models.PositiveIntegerField(default=300)
    per_user_daily_limit = models.PositiveIntegerField(default=100)
    workspace_daily_limit = models.PositiveIntegerField(default=1000)
    project_daily_limit = models.PositiveIntegerField(default=300)
    workspace_concurrency_limit = models.PositiveIntegerField(default=3)
    sensitive_data_retention_days = models.PositiveIntegerField(default=30)

    class Meta:
        verbose_name = "Workspace AI Settings"
        verbose_name_plural = "Workspace AI Settings"
        db_table = "workspace_ai_settings"
        ordering = ("-created_at",)

    def __str__(self):
        return f"{self.workspace.slug} AI settings"


class WorkspaceAICredential(BaseModel):
    class Provider(models.TextChoices):
        OPENAI = "openai", "OpenAI"

    workspace = models.OneToOneField(
        "db.Workspace",
        on_delete=models.CASCADE,
        related_name="ai_credential",
    )
    provider = models.CharField(max_length=32, choices=Provider.choices, default=Provider.OPENAI)
    encrypted_api_key = models.TextField(blank=True)
    key_last4 = models.CharField(max_length=4, blank=True)
    is_active = models.BooleanField(default=True)

    class Meta:
        verbose_name = "Workspace AI Credential"
        verbose_name_plural = "Workspace AI Credentials"
        db_table = "workspace_ai_credentials"
        ordering = ("-created_at",)

    def __str__(self):
        return f"{self.workspace.slug} {self.provider} credential"


class VoiceTaskSession(BaseModel):
    class Status(models.TextChoices):
        QUEUED = "queued", "Queued"
        PROCESSING = "processing", "Processing"
        UPLOADED = "uploaded", "Uploaded"
        TRANSCRIBING = "transcribing", "Transcribing"
        TRANSCRIBED = "transcribed", "Transcribed"
        PARSING = "parsing", "Parsing"
        PARSED = "parsed", "Parsed"
        FAILED = "failed", "Failed"

    workspace = models.ForeignKey(
        "db.Workspace",
        on_delete=models.CASCADE,
        related_name="voice_task_sessions",
    )
    user = models.ForeignKey(
        settings.AUTH_USER_MODEL,
        on_delete=models.CASCADE,
        related_name="voice_task_sessions",
    )
    project = models.ForeignKey(
        "db.Project",
        on_delete=models.SET_NULL,
        null=True,
        blank=True,
        related_name="voice_task_sessions",
    )
    status = models.CharField(max_length=32, choices=Status.choices, default=Status.UPLOADED)
    audio_file = models.FileField(upload_to="voice-task-sessions/%Y/%m/%d/", null=True, blank=True)
    audio_duration_seconds = models.FloatField(null=True, blank=True)
    audio_content_type = models.CharField(max_length=100, blank=True)
    audio_size = models.PositiveIntegerField(null=True, blank=True)
    transcript = models.TextField(blank=True)
    intent = models.CharField(max_length=40, blank=True)
    parsed_json = models.JSONField(blank=True, default=dict)
    client_context = models.JSONField(blank=True, default=dict)
    queued_at = models.DateTimeField(null=True, blank=True)
    processing_started_at = models.DateTimeField(null=True, blank=True)
    transcribed_at = models.DateTimeField(null=True, blank=True)
    completed_at = models.DateTimeField(null=True, blank=True)
    failed_at = models.DateTimeField(null=True, blank=True)
    transcription_duration_ms = models.PositiveIntegerField(null=True, blank=True)
    parsing_duration_ms = models.PositiveIntegerField(null=True, blank=True)
    processing_duration_ms = models.PositiveIntegerField(null=True, blank=True)
    parser_prompt_tokens = models.PositiveIntegerField(null=True, blank=True)
    parser_completion_tokens = models.PositiveIntegerField(null=True, blank=True)
    parser_total_tokens = models.PositiveIntegerField(null=True, blank=True)
    sensitive_data_redacted_at = models.DateTimeField(null=True, blank=True)
    created_task = models.ForeignKey(
        "db.Issue",
        on_delete=models.SET_NULL,
        null=True,
        blank=True,
        related_name="created_by_voice_sessions",
    )
    updated_task = models.ForeignKey(
        "db.Issue",
        on_delete=models.SET_NULL,
        null=True,
        blank=True,
        related_name="updated_by_voice_sessions",
    )
    error_code = models.CharField(max_length=80, blank=True)
    error_message = models.TextField(blank=True)

    class Meta:
        verbose_name = "Voice Task Session"
        verbose_name_plural = "Voice Task Sessions"
        db_table = "voice_task_sessions"
        ordering = ("-created_at",)
        indexes = [
            models.Index(fields=["workspace", "user", "-created_at"], name="voice_task_session_user_idx"),
            models.Index(fields=["workspace", "project", "-created_at"], name="voice_task_session_project_idx"),
            models.Index(fields=["workspace", "status", "-created_at"], name="voice_task_session_status_idx"),
        ]

    def __str__(self):
        return f"{self.workspace_id} {self.user_id} {self.status}"